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 17 #include "efx.h" 18 19 #include "sfc.h" 20 #include "sfc_debug.h" 21 #include "sfc_log.h" 22 #include "sfc_kvargs.h" 23 #include "sfc_ev.h" 24 #include "sfc_rx.h" 25 #include "sfc_tx.h" 26 #include "sfc_flow.h" 27 #include "sfc_dp.h" 28 #include "sfc_dp_rx.h" 29 30 uint32_t sfc_logtype_driver; 31 32 static struct sfc_dp_list sfc_dp_head = 33 TAILQ_HEAD_INITIALIZER(sfc_dp_head); 34 35 static int 36 sfc_fw_version_get(struct rte_eth_dev *dev, char *fw_version, size_t fw_size) 37 { 38 struct sfc_adapter *sa = dev->data->dev_private; 39 efx_nic_fw_info_t enfi; 40 int ret; 41 int rc; 42 43 /* 44 * Return value of the callback is likely supposed to be 45 * equal to or greater than 0, nevertheless, if an error 46 * occurs, it will be desirable to pass it to the caller 47 */ 48 if ((fw_version == NULL) || (fw_size == 0)) 49 return -EINVAL; 50 51 rc = efx_nic_get_fw_version(sa->nic, &enfi); 52 if (rc != 0) 53 return -rc; 54 55 ret = snprintf(fw_version, fw_size, 56 "%" PRIu16 ".%" PRIu16 ".%" PRIu16 ".%" PRIu16, 57 enfi.enfi_mc_fw_version[0], enfi.enfi_mc_fw_version[1], 58 enfi.enfi_mc_fw_version[2], enfi.enfi_mc_fw_version[3]); 59 if (ret < 0) 60 return ret; 61 62 if (enfi.enfi_dpcpu_fw_ids_valid) { 63 size_t dpcpu_fw_ids_offset = MIN(fw_size - 1, (size_t)ret); 64 int ret_extra; 65 66 ret_extra = snprintf(fw_version + dpcpu_fw_ids_offset, 67 fw_size - dpcpu_fw_ids_offset, 68 " rx%" PRIx16 " tx%" PRIx16, 69 enfi.enfi_rx_dpcpu_fw_id, 70 enfi.enfi_tx_dpcpu_fw_id); 71 if (ret_extra < 0) 72 return ret_extra; 73 74 ret += ret_extra; 75 } 76 77 if (fw_size < (size_t)(++ret)) 78 return ret; 79 else 80 return 0; 81 } 82 83 static void 84 sfc_dev_infos_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info) 85 { 86 struct sfc_adapter *sa = dev->data->dev_private; 87 const efx_nic_cfg_t *encp = efx_nic_cfg_get(sa->nic); 88 uint64_t txq_offloads_def = 0; 89 90 sfc_log_init(sa, "entry"); 91 92 dev_info->pci_dev = RTE_ETH_DEV_TO_PCI(dev); 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_40000FDX) 102 dev_info->speed_capa |= ETH_LINK_SPEED_40G; 103 104 dev_info->max_rx_queues = sa->rxq_max; 105 dev_info->max_tx_queues = sa->txq_max; 106 107 /* By default packets are dropped if no descriptors are available */ 108 dev_info->default_rxconf.rx_drop_en = 1; 109 110 dev_info->rx_queue_offload_capa = sfc_rx_get_queue_offload_caps(sa); 111 112 /* 113 * rx_offload_capa includes both device and queue offloads since 114 * the latter may be requested on a per device basis which makes 115 * sense when some offloads are needed to be set on all queues. 116 */ 117 dev_info->rx_offload_capa = sfc_rx_get_dev_offload_caps(sa) | 118 dev_info->rx_queue_offload_capa; 119 120 dev_info->tx_queue_offload_capa = sfc_tx_get_queue_offload_caps(sa); 121 122 /* 123 * tx_offload_capa includes both device and queue offloads since 124 * the latter may be requested on a per device basis which makes 125 * sense when some offloads are needed to be set on all queues. 126 */ 127 dev_info->tx_offload_capa = sfc_tx_get_dev_offload_caps(sa) | 128 dev_info->tx_queue_offload_capa; 129 130 if (dev_info->tx_offload_capa & DEV_TX_OFFLOAD_MBUF_FAST_FREE) 131 txq_offloads_def |= DEV_TX_OFFLOAD_MBUF_FAST_FREE; 132 133 dev_info->default_txconf.offloads |= txq_offloads_def; 134 135 dev_info->default_txconf.txq_flags = ETH_TXQ_FLAGS_NOXSUMSCTP; 136 if ((~sa->dp_tx->features & SFC_DP_TX_FEAT_VLAN_INSERT) || 137 !encp->enc_hw_tx_insert_vlan_enabled) 138 dev_info->default_txconf.txq_flags |= ETH_TXQ_FLAGS_NOVLANOFFL; 139 140 if (~sa->dp_tx->features & SFC_DP_TX_FEAT_MULTI_SEG) 141 dev_info->default_txconf.txq_flags |= ETH_TXQ_FLAGS_NOMULTSEGS; 142 143 if (~sa->dp_tx->features & SFC_DP_TX_FEAT_MULTI_POOL) 144 dev_info->default_txconf.txq_flags |= ETH_TXQ_FLAGS_NOMULTMEMP; 145 146 if (~sa->dp_tx->features & SFC_DP_TX_FEAT_REFCNT) 147 dev_info->default_txconf.txq_flags |= ETH_TXQ_FLAGS_NOREFCOUNT; 148 149 #if EFSYS_OPT_RX_SCALE 150 if (sa->rss_support != EFX_RX_SCALE_UNAVAILABLE) { 151 dev_info->reta_size = EFX_RSS_TBL_SIZE; 152 dev_info->hash_key_size = EFX_RSS_KEY_SIZE; 153 dev_info->flow_type_rss_offloads = SFC_RSS_OFFLOADS; 154 } 155 #endif 156 157 /* Initialize to hardware limits */ 158 dev_info->rx_desc_lim.nb_max = EFX_RXQ_MAXNDESCS; 159 dev_info->rx_desc_lim.nb_min = EFX_RXQ_MINNDESCS; 160 /* The RXQ hardware requires that the descriptor count is a power 161 * of 2, but rx_desc_lim cannot properly describe that constraint. 162 */ 163 dev_info->rx_desc_lim.nb_align = EFX_RXQ_MINNDESCS; 164 165 /* Initialize to hardware limits */ 166 dev_info->tx_desc_lim.nb_max = sa->txq_max_entries; 167 dev_info->tx_desc_lim.nb_min = EFX_TXQ_MINNDESCS; 168 /* 169 * The TXQ hardware requires that the descriptor count is a power 170 * of 2, but tx_desc_lim cannot properly describe that constraint 171 */ 172 dev_info->tx_desc_lim.nb_align = EFX_TXQ_MINNDESCS; 173 174 if (sa->dp_rx->get_dev_info != NULL) 175 sa->dp_rx->get_dev_info(dev_info); 176 if (sa->dp_tx->get_dev_info != NULL) 177 sa->dp_tx->get_dev_info(dev_info); 178 } 179 180 static const uint32_t * 181 sfc_dev_supported_ptypes_get(struct rte_eth_dev *dev) 182 { 183 struct sfc_adapter *sa = dev->data->dev_private; 184 const efx_nic_cfg_t *encp = efx_nic_cfg_get(sa->nic); 185 uint32_t tunnel_encaps = encp->enc_tunnel_encapsulations_supported; 186 187 return sa->dp_rx->supported_ptypes_get(tunnel_encaps); 188 } 189 190 static int 191 sfc_dev_configure(struct rte_eth_dev *dev) 192 { 193 struct rte_eth_dev_data *dev_data = dev->data; 194 struct sfc_adapter *sa = dev_data->dev_private; 195 int rc; 196 197 sfc_log_init(sa, "entry n_rxq=%u n_txq=%u", 198 dev_data->nb_rx_queues, dev_data->nb_tx_queues); 199 200 sfc_adapter_lock(sa); 201 switch (sa->state) { 202 case SFC_ADAPTER_CONFIGURED: 203 /* FALLTHROUGH */ 204 case SFC_ADAPTER_INITIALIZED: 205 rc = sfc_configure(sa); 206 break; 207 default: 208 sfc_err(sa, "unexpected adapter state %u to configure", 209 sa->state); 210 rc = EINVAL; 211 break; 212 } 213 sfc_adapter_unlock(sa); 214 215 sfc_log_init(sa, "done %d", rc); 216 SFC_ASSERT(rc >= 0); 217 return -rc; 218 } 219 220 static int 221 sfc_dev_start(struct rte_eth_dev *dev) 222 { 223 struct sfc_adapter *sa = dev->data->dev_private; 224 int rc; 225 226 sfc_log_init(sa, "entry"); 227 228 sfc_adapter_lock(sa); 229 rc = sfc_start(sa); 230 sfc_adapter_unlock(sa); 231 232 sfc_log_init(sa, "done %d", rc); 233 SFC_ASSERT(rc >= 0); 234 return -rc; 235 } 236 237 static int 238 sfc_dev_link_update(struct rte_eth_dev *dev, int wait_to_complete) 239 { 240 struct sfc_adapter *sa = dev->data->dev_private; 241 struct rte_eth_link current_link; 242 int ret; 243 244 sfc_log_init(sa, "entry"); 245 246 if (sa->state != SFC_ADAPTER_STARTED) { 247 sfc_port_link_mode_to_info(EFX_LINK_UNKNOWN, ¤t_link); 248 } else if (wait_to_complete) { 249 efx_link_mode_t link_mode; 250 251 if (efx_port_poll(sa->nic, &link_mode) != 0) 252 link_mode = EFX_LINK_UNKNOWN; 253 sfc_port_link_mode_to_info(link_mode, ¤t_link); 254 255 } else { 256 sfc_ev_mgmt_qpoll(sa); 257 rte_eth_linkstatus_get(dev, ¤t_link); 258 } 259 260 ret = rte_eth_linkstatus_set(dev, ¤t_link); 261 if (ret == 0) 262 sfc_info(sa, "Link status is %s", 263 current_link.link_status ? "UP" : "DOWN"); 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 sa->eth_dev->data->rx_queues[sw_index] = NULL; 448 449 sfc_rx_qfini(sa, sw_index); 450 451 sfc_adapter_unlock(sa); 452 } 453 454 static int 455 sfc_tx_queue_setup(struct rte_eth_dev *dev, uint16_t tx_queue_id, 456 uint16_t nb_tx_desc, unsigned int socket_id, 457 const struct rte_eth_txconf *tx_conf) 458 { 459 struct sfc_adapter *sa = dev->data->dev_private; 460 int rc; 461 462 sfc_log_init(sa, "TxQ = %u, nb_tx_desc = %u, socket_id = %u", 463 tx_queue_id, nb_tx_desc, socket_id); 464 465 sfc_adapter_lock(sa); 466 467 rc = sfc_tx_qinit(sa, tx_queue_id, nb_tx_desc, socket_id, tx_conf); 468 if (rc != 0) 469 goto fail_tx_qinit; 470 471 dev->data->tx_queues[tx_queue_id] = sa->txq_info[tx_queue_id].txq->dp; 472 473 sfc_adapter_unlock(sa); 474 return 0; 475 476 fail_tx_qinit: 477 sfc_adapter_unlock(sa); 478 SFC_ASSERT(rc > 0); 479 return -rc; 480 } 481 482 static void 483 sfc_tx_queue_release(void *queue) 484 { 485 struct sfc_dp_txq *dp_txq = queue; 486 struct sfc_txq *txq; 487 unsigned int sw_index; 488 struct sfc_adapter *sa; 489 490 if (dp_txq == NULL) 491 return; 492 493 txq = sfc_txq_by_dp_txq(dp_txq); 494 sw_index = sfc_txq_sw_index(txq); 495 496 SFC_ASSERT(txq->evq != NULL); 497 sa = txq->evq->sa; 498 499 sfc_log_init(sa, "TxQ = %u", sw_index); 500 501 sfc_adapter_lock(sa); 502 503 SFC_ASSERT(sw_index < sa->eth_dev->data->nb_tx_queues); 504 sa->eth_dev->data->tx_queues[sw_index] = NULL; 505 506 sfc_tx_qfini(sa, sw_index); 507 508 sfc_adapter_unlock(sa); 509 } 510 511 static int 512 sfc_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats) 513 { 514 struct sfc_adapter *sa = dev->data->dev_private; 515 struct sfc_port *port = &sa->port; 516 uint64_t *mac_stats; 517 int ret; 518 519 rte_spinlock_lock(&port->mac_stats_lock); 520 521 ret = sfc_port_update_mac_stats(sa); 522 if (ret != 0) 523 goto unlock; 524 525 mac_stats = port->mac_stats_buf; 526 527 if (EFX_MAC_STAT_SUPPORTED(port->mac_stats_mask, 528 EFX_MAC_VADAPTER_RX_UNICAST_PACKETS)) { 529 stats->ipackets = 530 mac_stats[EFX_MAC_VADAPTER_RX_UNICAST_PACKETS] + 531 mac_stats[EFX_MAC_VADAPTER_RX_MULTICAST_PACKETS] + 532 mac_stats[EFX_MAC_VADAPTER_RX_BROADCAST_PACKETS]; 533 stats->opackets = 534 mac_stats[EFX_MAC_VADAPTER_TX_UNICAST_PACKETS] + 535 mac_stats[EFX_MAC_VADAPTER_TX_MULTICAST_PACKETS] + 536 mac_stats[EFX_MAC_VADAPTER_TX_BROADCAST_PACKETS]; 537 stats->ibytes = 538 mac_stats[EFX_MAC_VADAPTER_RX_UNICAST_BYTES] + 539 mac_stats[EFX_MAC_VADAPTER_RX_MULTICAST_BYTES] + 540 mac_stats[EFX_MAC_VADAPTER_RX_BROADCAST_BYTES]; 541 stats->obytes = 542 mac_stats[EFX_MAC_VADAPTER_TX_UNICAST_BYTES] + 543 mac_stats[EFX_MAC_VADAPTER_TX_MULTICAST_BYTES] + 544 mac_stats[EFX_MAC_VADAPTER_TX_BROADCAST_BYTES]; 545 stats->imissed = mac_stats[EFX_MAC_VADAPTER_RX_OVERFLOW]; 546 stats->ierrors = mac_stats[EFX_MAC_VADAPTER_RX_BAD_PACKETS]; 547 stats->oerrors = mac_stats[EFX_MAC_VADAPTER_TX_BAD_PACKETS]; 548 } else { 549 stats->ipackets = mac_stats[EFX_MAC_RX_PKTS]; 550 stats->opackets = mac_stats[EFX_MAC_TX_PKTS]; 551 stats->ibytes = mac_stats[EFX_MAC_RX_OCTETS]; 552 stats->obytes = mac_stats[EFX_MAC_TX_OCTETS]; 553 /* 554 * Take into account stats which are whenever supported 555 * on EF10. If some stat is not supported by current 556 * firmware variant or HW revision, it is guaranteed 557 * to be zero in mac_stats. 558 */ 559 stats->imissed = 560 mac_stats[EFX_MAC_RX_NODESC_DROP_CNT] + 561 mac_stats[EFX_MAC_PM_TRUNC_BB_OVERFLOW] + 562 mac_stats[EFX_MAC_PM_DISCARD_BB_OVERFLOW] + 563 mac_stats[EFX_MAC_PM_TRUNC_VFIFO_FULL] + 564 mac_stats[EFX_MAC_PM_DISCARD_VFIFO_FULL] + 565 mac_stats[EFX_MAC_PM_TRUNC_QBB] + 566 mac_stats[EFX_MAC_PM_DISCARD_QBB] + 567 mac_stats[EFX_MAC_PM_DISCARD_MAPPING] + 568 mac_stats[EFX_MAC_RXDP_Q_DISABLED_PKTS] + 569 mac_stats[EFX_MAC_RXDP_DI_DROPPED_PKTS]; 570 stats->ierrors = 571 mac_stats[EFX_MAC_RX_FCS_ERRORS] + 572 mac_stats[EFX_MAC_RX_ALIGN_ERRORS] + 573 mac_stats[EFX_MAC_RX_JABBER_PKTS]; 574 /* no oerrors counters supported on EF10 */ 575 } 576 577 unlock: 578 rte_spinlock_unlock(&port->mac_stats_lock); 579 SFC_ASSERT(ret >= 0); 580 return -ret; 581 } 582 583 static void 584 sfc_stats_reset(struct rte_eth_dev *dev) 585 { 586 struct sfc_adapter *sa = dev->data->dev_private; 587 struct sfc_port *port = &sa->port; 588 int rc; 589 590 if (sa->state != SFC_ADAPTER_STARTED) { 591 /* 592 * The operation cannot be done if port is not started; it 593 * will be scheduled to be done during the next port start 594 */ 595 port->mac_stats_reset_pending = B_TRUE; 596 return; 597 } 598 599 rc = sfc_port_reset_mac_stats(sa); 600 if (rc != 0) 601 sfc_err(sa, "failed to reset statistics (rc = %d)", rc); 602 } 603 604 static int 605 sfc_xstats_get(struct rte_eth_dev *dev, struct rte_eth_xstat *xstats, 606 unsigned int xstats_count) 607 { 608 struct sfc_adapter *sa = dev->data->dev_private; 609 struct sfc_port *port = &sa->port; 610 uint64_t *mac_stats; 611 int rc; 612 unsigned int i; 613 int nstats = 0; 614 615 rte_spinlock_lock(&port->mac_stats_lock); 616 617 rc = sfc_port_update_mac_stats(sa); 618 if (rc != 0) { 619 SFC_ASSERT(rc > 0); 620 nstats = -rc; 621 goto unlock; 622 } 623 624 mac_stats = port->mac_stats_buf; 625 626 for (i = 0; i < EFX_MAC_NSTATS; ++i) { 627 if (EFX_MAC_STAT_SUPPORTED(port->mac_stats_mask, i)) { 628 if (xstats != NULL && nstats < (int)xstats_count) { 629 xstats[nstats].id = nstats; 630 xstats[nstats].value = mac_stats[i]; 631 } 632 nstats++; 633 } 634 } 635 636 unlock: 637 rte_spinlock_unlock(&port->mac_stats_lock); 638 639 return nstats; 640 } 641 642 static int 643 sfc_xstats_get_names(struct rte_eth_dev *dev, 644 struct rte_eth_xstat_name *xstats_names, 645 unsigned int xstats_count) 646 { 647 struct sfc_adapter *sa = dev->data->dev_private; 648 struct sfc_port *port = &sa->port; 649 unsigned int i; 650 unsigned int nstats = 0; 651 652 for (i = 0; i < EFX_MAC_NSTATS; ++i) { 653 if (EFX_MAC_STAT_SUPPORTED(port->mac_stats_mask, i)) { 654 if (xstats_names != NULL && nstats < xstats_count) 655 strncpy(xstats_names[nstats].name, 656 efx_mac_stat_name(sa->nic, i), 657 sizeof(xstats_names[0].name)); 658 nstats++; 659 } 660 } 661 662 return nstats; 663 } 664 665 static int 666 sfc_xstats_get_by_id(struct rte_eth_dev *dev, const uint64_t *ids, 667 uint64_t *values, unsigned int n) 668 { 669 struct sfc_adapter *sa = dev->data->dev_private; 670 struct sfc_port *port = &sa->port; 671 uint64_t *mac_stats; 672 unsigned int nb_supported = 0; 673 unsigned int nb_written = 0; 674 unsigned int i; 675 int ret; 676 int rc; 677 678 if (unlikely(values == NULL) || 679 unlikely((ids == NULL) && (n < port->mac_stats_nb_supported))) 680 return port->mac_stats_nb_supported; 681 682 rte_spinlock_lock(&port->mac_stats_lock); 683 684 rc = sfc_port_update_mac_stats(sa); 685 if (rc != 0) { 686 SFC_ASSERT(rc > 0); 687 ret = -rc; 688 goto unlock; 689 } 690 691 mac_stats = port->mac_stats_buf; 692 693 for (i = 0; (i < EFX_MAC_NSTATS) && (nb_written < n); ++i) { 694 if (!EFX_MAC_STAT_SUPPORTED(port->mac_stats_mask, i)) 695 continue; 696 697 if ((ids == NULL) || (ids[nb_written] == nb_supported)) 698 values[nb_written++] = mac_stats[i]; 699 700 ++nb_supported; 701 } 702 703 ret = nb_written; 704 705 unlock: 706 rte_spinlock_unlock(&port->mac_stats_lock); 707 708 return ret; 709 } 710 711 static int 712 sfc_xstats_get_names_by_id(struct rte_eth_dev *dev, 713 struct rte_eth_xstat_name *xstats_names, 714 const uint64_t *ids, unsigned int size) 715 { 716 struct sfc_adapter *sa = dev->data->dev_private; 717 struct sfc_port *port = &sa->port; 718 unsigned int nb_supported = 0; 719 unsigned int nb_written = 0; 720 unsigned int i; 721 722 if (unlikely(xstats_names == NULL) || 723 unlikely((ids == NULL) && (size < port->mac_stats_nb_supported))) 724 return port->mac_stats_nb_supported; 725 726 for (i = 0; (i < EFX_MAC_NSTATS) && (nb_written < size); ++i) { 727 if (!EFX_MAC_STAT_SUPPORTED(port->mac_stats_mask, i)) 728 continue; 729 730 if ((ids == NULL) || (ids[nb_written] == nb_supported)) { 731 char *name = xstats_names[nb_written++].name; 732 733 strncpy(name, efx_mac_stat_name(sa->nic, i), 734 sizeof(xstats_names[0].name)); 735 name[sizeof(xstats_names[0].name) - 1] = '\0'; 736 } 737 738 ++nb_supported; 739 } 740 741 return nb_written; 742 } 743 744 static int 745 sfc_flow_ctrl_get(struct rte_eth_dev *dev, struct rte_eth_fc_conf *fc_conf) 746 { 747 struct sfc_adapter *sa = dev->data->dev_private; 748 unsigned int wanted_fc, link_fc; 749 750 memset(fc_conf, 0, sizeof(*fc_conf)); 751 752 sfc_adapter_lock(sa); 753 754 if (sa->state == SFC_ADAPTER_STARTED) 755 efx_mac_fcntl_get(sa->nic, &wanted_fc, &link_fc); 756 else 757 link_fc = sa->port.flow_ctrl; 758 759 switch (link_fc) { 760 case 0: 761 fc_conf->mode = RTE_FC_NONE; 762 break; 763 case EFX_FCNTL_RESPOND: 764 fc_conf->mode = RTE_FC_RX_PAUSE; 765 break; 766 case EFX_FCNTL_GENERATE: 767 fc_conf->mode = RTE_FC_TX_PAUSE; 768 break; 769 case (EFX_FCNTL_RESPOND | EFX_FCNTL_GENERATE): 770 fc_conf->mode = RTE_FC_FULL; 771 break; 772 default: 773 sfc_err(sa, "%s: unexpected flow control value %#x", 774 __func__, link_fc); 775 } 776 777 fc_conf->autoneg = sa->port.flow_ctrl_autoneg; 778 779 sfc_adapter_unlock(sa); 780 781 return 0; 782 } 783 784 static int 785 sfc_flow_ctrl_set(struct rte_eth_dev *dev, struct rte_eth_fc_conf *fc_conf) 786 { 787 struct sfc_adapter *sa = dev->data->dev_private; 788 struct sfc_port *port = &sa->port; 789 unsigned int fcntl; 790 int rc; 791 792 if (fc_conf->high_water != 0 || fc_conf->low_water != 0 || 793 fc_conf->pause_time != 0 || fc_conf->send_xon != 0 || 794 fc_conf->mac_ctrl_frame_fwd != 0) { 795 sfc_err(sa, "unsupported flow control settings specified"); 796 rc = EINVAL; 797 goto fail_inval; 798 } 799 800 switch (fc_conf->mode) { 801 case RTE_FC_NONE: 802 fcntl = 0; 803 break; 804 case RTE_FC_RX_PAUSE: 805 fcntl = EFX_FCNTL_RESPOND; 806 break; 807 case RTE_FC_TX_PAUSE: 808 fcntl = EFX_FCNTL_GENERATE; 809 break; 810 case RTE_FC_FULL: 811 fcntl = EFX_FCNTL_RESPOND | EFX_FCNTL_GENERATE; 812 break; 813 default: 814 rc = EINVAL; 815 goto fail_inval; 816 } 817 818 sfc_adapter_lock(sa); 819 820 if (sa->state == SFC_ADAPTER_STARTED) { 821 rc = efx_mac_fcntl_set(sa->nic, fcntl, fc_conf->autoneg); 822 if (rc != 0) 823 goto fail_mac_fcntl_set; 824 } 825 826 port->flow_ctrl = fcntl; 827 port->flow_ctrl_autoneg = fc_conf->autoneg; 828 829 sfc_adapter_unlock(sa); 830 831 return 0; 832 833 fail_mac_fcntl_set: 834 sfc_adapter_unlock(sa); 835 fail_inval: 836 SFC_ASSERT(rc > 0); 837 return -rc; 838 } 839 840 static int 841 sfc_dev_set_mtu(struct rte_eth_dev *dev, uint16_t mtu) 842 { 843 struct sfc_adapter *sa = dev->data->dev_private; 844 size_t pdu = EFX_MAC_PDU(mtu); 845 size_t old_pdu; 846 int rc; 847 848 sfc_log_init(sa, "mtu=%u", mtu); 849 850 rc = EINVAL; 851 if (pdu < EFX_MAC_PDU_MIN) { 852 sfc_err(sa, "too small MTU %u (PDU size %u less than min %u)", 853 (unsigned int)mtu, (unsigned int)pdu, 854 EFX_MAC_PDU_MIN); 855 goto fail_inval; 856 } 857 if (pdu > EFX_MAC_PDU_MAX) { 858 sfc_err(sa, "too big MTU %u (PDU size %u greater than max %u)", 859 (unsigned int)mtu, (unsigned int)pdu, 860 EFX_MAC_PDU_MAX); 861 goto fail_inval; 862 } 863 864 sfc_adapter_lock(sa); 865 866 if (pdu != sa->port.pdu) { 867 if (sa->state == SFC_ADAPTER_STARTED) { 868 sfc_stop(sa); 869 870 old_pdu = sa->port.pdu; 871 sa->port.pdu = pdu; 872 rc = sfc_start(sa); 873 if (rc != 0) 874 goto fail_start; 875 } else { 876 sa->port.pdu = pdu; 877 } 878 } 879 880 /* 881 * The driver does not use it, but other PMDs update jumbo_frame 882 * flag and max_rx_pkt_len when MTU is set. 883 */ 884 if (mtu > ETHER_MAX_LEN) { 885 struct rte_eth_rxmode *rxmode = &dev->data->dev_conf.rxmode; 886 887 rxmode->offloads |= DEV_RX_OFFLOAD_JUMBO_FRAME; 888 rxmode->jumbo_frame = 1; 889 } 890 891 dev->data->dev_conf.rxmode.max_rx_pkt_len = sa->port.pdu; 892 893 sfc_adapter_unlock(sa); 894 895 sfc_log_init(sa, "done"); 896 return 0; 897 898 fail_start: 899 sa->port.pdu = old_pdu; 900 if (sfc_start(sa) != 0) 901 sfc_err(sa, "cannot start with neither new (%u) nor old (%u) " 902 "PDU max size - port is stopped", 903 (unsigned int)pdu, (unsigned int)old_pdu); 904 sfc_adapter_unlock(sa); 905 906 fail_inval: 907 sfc_log_init(sa, "failed %d", rc); 908 SFC_ASSERT(rc > 0); 909 return -rc; 910 } 911 static void 912 sfc_mac_addr_set(struct rte_eth_dev *dev, struct ether_addr *mac_addr) 913 { 914 struct sfc_adapter *sa = dev->data->dev_private; 915 const efx_nic_cfg_t *encp = efx_nic_cfg_get(sa->nic); 916 struct sfc_port *port = &sa->port; 917 int rc; 918 919 sfc_adapter_lock(sa); 920 921 /* 922 * Copy the address to the device private data so that 923 * it could be recalled in the case of adapter restart. 924 */ 925 ether_addr_copy(mac_addr, &port->default_mac_addr); 926 927 if (port->isolated) { 928 sfc_err(sa, "isolated mode is active on the port"); 929 sfc_err(sa, "will not set MAC address"); 930 goto unlock; 931 } 932 933 if (sa->state != SFC_ADAPTER_STARTED) { 934 sfc_info(sa, "the port is not started"); 935 sfc_info(sa, "the new MAC address will be set on port start"); 936 937 goto unlock; 938 } 939 940 if (encp->enc_allow_set_mac_with_installed_filters) { 941 rc = efx_mac_addr_set(sa->nic, mac_addr->addr_bytes); 942 if (rc != 0) { 943 sfc_err(sa, "cannot set MAC address (rc = %u)", rc); 944 goto unlock; 945 } 946 947 /* 948 * Changing the MAC address by means of MCDI request 949 * has no effect on received traffic, therefore 950 * we also need to update unicast filters 951 */ 952 rc = sfc_set_rx_mode(sa); 953 if (rc != 0) 954 sfc_err(sa, "cannot set filter (rc = %u)", rc); 955 } else { 956 sfc_warn(sa, "cannot set MAC address with filters installed"); 957 sfc_warn(sa, "adapter will be restarted to pick the new MAC"); 958 sfc_warn(sa, "(some traffic may be dropped)"); 959 960 /* 961 * Since setting MAC address with filters installed is not 962 * allowed on the adapter, the new MAC address will be set 963 * by means of adapter restart. sfc_start() shall retrieve 964 * the new address from the device private data and set it. 965 */ 966 sfc_stop(sa); 967 rc = sfc_start(sa); 968 if (rc != 0) 969 sfc_err(sa, "cannot restart adapter (rc = %u)", rc); 970 } 971 972 unlock: 973 /* 974 * In the case of failure sa->port->default_mac_addr does not 975 * need rollback since no error code is returned, and the upper 976 * API will anyway update the external MAC address storage. 977 * To be consistent with that new value it is better to keep 978 * the device private value the same. 979 */ 980 sfc_adapter_unlock(sa); 981 } 982 983 984 static int 985 sfc_set_mc_addr_list(struct rte_eth_dev *dev, struct ether_addr *mc_addr_set, 986 uint32_t nb_mc_addr) 987 { 988 struct sfc_adapter *sa = dev->data->dev_private; 989 struct sfc_port *port = &sa->port; 990 uint8_t *mc_addrs = port->mcast_addrs; 991 int rc; 992 unsigned int i; 993 994 if (port->isolated) { 995 sfc_err(sa, "isolated mode is active on the port"); 996 sfc_err(sa, "will not set multicast address list"); 997 return -ENOTSUP; 998 } 999 1000 if (mc_addrs == NULL) 1001 return -ENOBUFS; 1002 1003 if (nb_mc_addr > port->max_mcast_addrs) { 1004 sfc_err(sa, "too many multicast addresses: %u > %u", 1005 nb_mc_addr, port->max_mcast_addrs); 1006 return -EINVAL; 1007 } 1008 1009 for (i = 0; i < nb_mc_addr; ++i) { 1010 rte_memcpy(mc_addrs, mc_addr_set[i].addr_bytes, 1011 EFX_MAC_ADDR_LEN); 1012 mc_addrs += EFX_MAC_ADDR_LEN; 1013 } 1014 1015 port->nb_mcast_addrs = nb_mc_addr; 1016 1017 if (sa->state != SFC_ADAPTER_STARTED) 1018 return 0; 1019 1020 rc = efx_mac_multicast_list_set(sa->nic, port->mcast_addrs, 1021 port->nb_mcast_addrs); 1022 if (rc != 0) 1023 sfc_err(sa, "cannot set multicast address list (rc = %u)", rc); 1024 1025 SFC_ASSERT(rc > 0); 1026 return -rc; 1027 } 1028 1029 /* 1030 * The function is used by the secondary process as well. It must not 1031 * use any process-local pointers from the adapter data. 1032 */ 1033 static void 1034 sfc_rx_queue_info_get(struct rte_eth_dev *dev, uint16_t rx_queue_id, 1035 struct rte_eth_rxq_info *qinfo) 1036 { 1037 struct sfc_adapter *sa = dev->data->dev_private; 1038 struct sfc_rxq_info *rxq_info; 1039 struct sfc_rxq *rxq; 1040 1041 sfc_adapter_lock(sa); 1042 1043 SFC_ASSERT(rx_queue_id < sa->rxq_count); 1044 1045 rxq_info = &sa->rxq_info[rx_queue_id]; 1046 rxq = rxq_info->rxq; 1047 SFC_ASSERT(rxq != NULL); 1048 1049 qinfo->mp = rxq->refill_mb_pool; 1050 qinfo->conf.rx_free_thresh = rxq->refill_threshold; 1051 qinfo->conf.rx_drop_en = 1; 1052 qinfo->conf.rx_deferred_start = rxq_info->deferred_start; 1053 qinfo->conf.offloads = DEV_RX_OFFLOAD_IPV4_CKSUM | 1054 DEV_RX_OFFLOAD_UDP_CKSUM | 1055 DEV_RX_OFFLOAD_TCP_CKSUM; 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.txq_flags = txq_info->txq->flags; 1086 qinfo->conf.offloads = txq_info->txq->offloads; 1087 qinfo->conf.tx_free_thresh = txq_info->txq->free_thresh; 1088 qinfo->conf.tx_deferred_start = txq_info->deferred_start; 1089 qinfo->nb_desc = txq_info->entries; 1090 1091 sfc_adapter_unlock(sa); 1092 } 1093 1094 static uint32_t 1095 sfc_rx_queue_count(struct rte_eth_dev *dev, uint16_t rx_queue_id) 1096 { 1097 struct sfc_adapter *sa = dev->data->dev_private; 1098 1099 sfc_log_init(sa, "RxQ=%u", rx_queue_id); 1100 1101 return sfc_rx_qdesc_npending(sa, rx_queue_id); 1102 } 1103 1104 static int 1105 sfc_rx_descriptor_done(void *queue, uint16_t offset) 1106 { 1107 struct sfc_dp_rxq *dp_rxq = queue; 1108 1109 return sfc_rx_qdesc_done(dp_rxq, offset); 1110 } 1111 1112 static int 1113 sfc_rx_descriptor_status(void *queue, uint16_t offset) 1114 { 1115 struct sfc_dp_rxq *dp_rxq = queue; 1116 struct sfc_rxq *rxq = sfc_rxq_by_dp_rxq(dp_rxq); 1117 1118 return rxq->evq->sa->dp_rx->qdesc_status(dp_rxq, offset); 1119 } 1120 1121 static int 1122 sfc_tx_descriptor_status(void *queue, uint16_t offset) 1123 { 1124 struct sfc_dp_txq *dp_txq = queue; 1125 struct sfc_txq *txq = sfc_txq_by_dp_txq(dp_txq); 1126 1127 return txq->evq->sa->dp_tx->qdesc_status(dp_txq, offset); 1128 } 1129 1130 static int 1131 sfc_rx_queue_start(struct rte_eth_dev *dev, uint16_t rx_queue_id) 1132 { 1133 struct sfc_adapter *sa = dev->data->dev_private; 1134 int rc; 1135 1136 sfc_log_init(sa, "RxQ=%u", rx_queue_id); 1137 1138 sfc_adapter_lock(sa); 1139 1140 rc = EINVAL; 1141 if (sa->state != SFC_ADAPTER_STARTED) 1142 goto fail_not_started; 1143 1144 rc = sfc_rx_qstart(sa, rx_queue_id); 1145 if (rc != 0) 1146 goto fail_rx_qstart; 1147 1148 sa->rxq_info[rx_queue_id].deferred_started = B_TRUE; 1149 1150 sfc_adapter_unlock(sa); 1151 1152 return 0; 1153 1154 fail_rx_qstart: 1155 fail_not_started: 1156 sfc_adapter_unlock(sa); 1157 SFC_ASSERT(rc > 0); 1158 return -rc; 1159 } 1160 1161 static int 1162 sfc_rx_queue_stop(struct rte_eth_dev *dev, uint16_t rx_queue_id) 1163 { 1164 struct sfc_adapter *sa = dev->data->dev_private; 1165 1166 sfc_log_init(sa, "RxQ=%u", rx_queue_id); 1167 1168 sfc_adapter_lock(sa); 1169 sfc_rx_qstop(sa, rx_queue_id); 1170 1171 sa->rxq_info[rx_queue_id].deferred_started = B_FALSE; 1172 1173 sfc_adapter_unlock(sa); 1174 1175 return 0; 1176 } 1177 1178 static int 1179 sfc_tx_queue_start(struct rte_eth_dev *dev, uint16_t tx_queue_id) 1180 { 1181 struct sfc_adapter *sa = dev->data->dev_private; 1182 int rc; 1183 1184 sfc_log_init(sa, "TxQ = %u", tx_queue_id); 1185 1186 sfc_adapter_lock(sa); 1187 1188 rc = EINVAL; 1189 if (sa->state != SFC_ADAPTER_STARTED) 1190 goto fail_not_started; 1191 1192 rc = sfc_tx_qstart(sa, tx_queue_id); 1193 if (rc != 0) 1194 goto fail_tx_qstart; 1195 1196 sa->txq_info[tx_queue_id].deferred_started = B_TRUE; 1197 1198 sfc_adapter_unlock(sa); 1199 return 0; 1200 1201 fail_tx_qstart: 1202 1203 fail_not_started: 1204 sfc_adapter_unlock(sa); 1205 SFC_ASSERT(rc > 0); 1206 return -rc; 1207 } 1208 1209 static int 1210 sfc_tx_queue_stop(struct rte_eth_dev *dev, uint16_t tx_queue_id) 1211 { 1212 struct sfc_adapter *sa = dev->data->dev_private; 1213 1214 sfc_log_init(sa, "TxQ = %u", tx_queue_id); 1215 1216 sfc_adapter_lock(sa); 1217 1218 sfc_tx_qstop(sa, tx_queue_id); 1219 1220 sa->txq_info[tx_queue_id].deferred_started = B_FALSE; 1221 1222 sfc_adapter_unlock(sa); 1223 return 0; 1224 } 1225 1226 static efx_tunnel_protocol_t 1227 sfc_tunnel_rte_type_to_efx_udp_proto(enum rte_eth_tunnel_type rte_type) 1228 { 1229 switch (rte_type) { 1230 case RTE_TUNNEL_TYPE_VXLAN: 1231 return EFX_TUNNEL_PROTOCOL_VXLAN; 1232 case RTE_TUNNEL_TYPE_GENEVE: 1233 return EFX_TUNNEL_PROTOCOL_GENEVE; 1234 default: 1235 return EFX_TUNNEL_NPROTOS; 1236 } 1237 } 1238 1239 enum sfc_udp_tunnel_op_e { 1240 SFC_UDP_TUNNEL_ADD_PORT, 1241 SFC_UDP_TUNNEL_DEL_PORT, 1242 }; 1243 1244 static int 1245 sfc_dev_udp_tunnel_op(struct rte_eth_dev *dev, 1246 struct rte_eth_udp_tunnel *tunnel_udp, 1247 enum sfc_udp_tunnel_op_e op) 1248 { 1249 struct sfc_adapter *sa = dev->data->dev_private; 1250 efx_tunnel_protocol_t tunnel_proto; 1251 int rc; 1252 1253 sfc_log_init(sa, "%s udp_port=%u prot_type=%u", 1254 (op == SFC_UDP_TUNNEL_ADD_PORT) ? "add" : 1255 (op == SFC_UDP_TUNNEL_DEL_PORT) ? "delete" : "unknown", 1256 tunnel_udp->udp_port, tunnel_udp->prot_type); 1257 1258 tunnel_proto = 1259 sfc_tunnel_rte_type_to_efx_udp_proto(tunnel_udp->prot_type); 1260 if (tunnel_proto >= EFX_TUNNEL_NPROTOS) { 1261 rc = ENOTSUP; 1262 goto fail_bad_proto; 1263 } 1264 1265 sfc_adapter_lock(sa); 1266 1267 switch (op) { 1268 case SFC_UDP_TUNNEL_ADD_PORT: 1269 rc = efx_tunnel_config_udp_add(sa->nic, 1270 tunnel_udp->udp_port, 1271 tunnel_proto); 1272 break; 1273 case SFC_UDP_TUNNEL_DEL_PORT: 1274 rc = efx_tunnel_config_udp_remove(sa->nic, 1275 tunnel_udp->udp_port, 1276 tunnel_proto); 1277 break; 1278 default: 1279 rc = EINVAL; 1280 goto fail_bad_op; 1281 } 1282 1283 if (rc != 0) 1284 goto fail_op; 1285 1286 if (sa->state == SFC_ADAPTER_STARTED) { 1287 rc = efx_tunnel_reconfigure(sa->nic); 1288 if (rc == EAGAIN) { 1289 /* 1290 * Configuration is accepted by FW and MC reboot 1291 * is initiated to apply the changes. MC reboot 1292 * will be handled in a usual way (MC reboot 1293 * event on management event queue and adapter 1294 * restart). 1295 */ 1296 rc = 0; 1297 } else if (rc != 0) { 1298 goto fail_reconfigure; 1299 } 1300 } 1301 1302 sfc_adapter_unlock(sa); 1303 return 0; 1304 1305 fail_reconfigure: 1306 /* Remove/restore entry since the change makes the trouble */ 1307 switch (op) { 1308 case SFC_UDP_TUNNEL_ADD_PORT: 1309 (void)efx_tunnel_config_udp_remove(sa->nic, 1310 tunnel_udp->udp_port, 1311 tunnel_proto); 1312 break; 1313 case SFC_UDP_TUNNEL_DEL_PORT: 1314 (void)efx_tunnel_config_udp_add(sa->nic, 1315 tunnel_udp->udp_port, 1316 tunnel_proto); 1317 break; 1318 } 1319 1320 fail_op: 1321 fail_bad_op: 1322 sfc_adapter_unlock(sa); 1323 1324 fail_bad_proto: 1325 SFC_ASSERT(rc > 0); 1326 return -rc; 1327 } 1328 1329 static int 1330 sfc_dev_udp_tunnel_port_add(struct rte_eth_dev *dev, 1331 struct rte_eth_udp_tunnel *tunnel_udp) 1332 { 1333 return sfc_dev_udp_tunnel_op(dev, tunnel_udp, SFC_UDP_TUNNEL_ADD_PORT); 1334 } 1335 1336 static int 1337 sfc_dev_udp_tunnel_port_del(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_DEL_PORT); 1341 } 1342 1343 #if EFSYS_OPT_RX_SCALE 1344 static int 1345 sfc_dev_rss_hash_conf_get(struct rte_eth_dev *dev, 1346 struct rte_eth_rss_conf *rss_conf) 1347 { 1348 struct sfc_adapter *sa = dev->data->dev_private; 1349 struct sfc_port *port = &sa->port; 1350 1351 if ((sa->rss_support != EFX_RX_SCALE_EXCLUSIVE) || port->isolated) 1352 return -ENOTSUP; 1353 1354 if (sa->rss_channels == 0) 1355 return -EINVAL; 1356 1357 sfc_adapter_lock(sa); 1358 1359 /* 1360 * Mapping of hash configuration between RTE and EFX is not one-to-one, 1361 * hence, conversion is done here to derive a correct set of ETH_RSS 1362 * flags which corresponds to the active EFX configuration stored 1363 * locally in 'sfc_adapter' and kept up-to-date 1364 */ 1365 rss_conf->rss_hf = sfc_efx_to_rte_hash_type(sa->rss_hash_types); 1366 rss_conf->rss_key_len = EFX_RSS_KEY_SIZE; 1367 if (rss_conf->rss_key != NULL) 1368 rte_memcpy(rss_conf->rss_key, sa->rss_key, EFX_RSS_KEY_SIZE); 1369 1370 sfc_adapter_unlock(sa); 1371 1372 return 0; 1373 } 1374 1375 static int 1376 sfc_dev_rss_hash_update(struct rte_eth_dev *dev, 1377 struct rte_eth_rss_conf *rss_conf) 1378 { 1379 struct sfc_adapter *sa = dev->data->dev_private; 1380 struct sfc_port *port = &sa->port; 1381 unsigned int efx_hash_types; 1382 int rc = 0; 1383 1384 if (port->isolated) 1385 return -ENOTSUP; 1386 1387 if (sa->rss_support != EFX_RX_SCALE_EXCLUSIVE) { 1388 sfc_err(sa, "RSS is not available"); 1389 return -ENOTSUP; 1390 } 1391 1392 if (sa->rss_channels == 0) { 1393 sfc_err(sa, "RSS is not configured"); 1394 return -EINVAL; 1395 } 1396 1397 if ((rss_conf->rss_key != NULL) && 1398 (rss_conf->rss_key_len != sizeof(sa->rss_key))) { 1399 sfc_err(sa, "RSS key size is wrong (should be %lu)", 1400 sizeof(sa->rss_key)); 1401 return -EINVAL; 1402 } 1403 1404 if ((rss_conf->rss_hf & ~SFC_RSS_OFFLOADS) != 0) { 1405 sfc_err(sa, "unsupported hash functions requested"); 1406 return -EINVAL; 1407 } 1408 1409 sfc_adapter_lock(sa); 1410 1411 efx_hash_types = sfc_rte_to_efx_hash_type(rss_conf->rss_hf); 1412 1413 rc = efx_rx_scale_mode_set(sa->nic, EFX_RSS_CONTEXT_DEFAULT, 1414 EFX_RX_HASHALG_TOEPLITZ, 1415 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(sa->rss_key)); 1425 if (rc != 0) 1426 goto fail_scale_key_set; 1427 } 1428 1429 rte_memcpy(sa->rss_key, rss_conf->rss_key, sizeof(sa->rss_key)); 1430 } 1431 1432 sa->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 sa->rss_hash_types, B_TRUE) != 0) 1442 sfc_err(sa, "failed to restore RSS mode"); 1443 1444 fail_scale_mode_set: 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_port *port = &sa->port; 1456 int entry; 1457 1458 if ((sa->rss_support != EFX_RX_SCALE_EXCLUSIVE) || port->isolated) 1459 return -ENOTSUP; 1460 1461 if (sa->rss_channels == 0) 1462 return -EINVAL; 1463 1464 if (reta_size != EFX_RSS_TBL_SIZE) 1465 return -EINVAL; 1466 1467 sfc_adapter_lock(sa); 1468 1469 for (entry = 0; entry < reta_size; entry++) { 1470 int grp = entry / RTE_RETA_GROUP_SIZE; 1471 int grp_idx = entry % RTE_RETA_GROUP_SIZE; 1472 1473 if ((reta_conf[grp].mask >> grp_idx) & 1) 1474 reta_conf[grp].reta[grp_idx] = sa->rss_tbl[entry]; 1475 } 1476 1477 sfc_adapter_unlock(sa); 1478 1479 return 0; 1480 } 1481 1482 static int 1483 sfc_dev_rss_reta_update(struct rte_eth_dev *dev, 1484 struct rte_eth_rss_reta_entry64 *reta_conf, 1485 uint16_t reta_size) 1486 { 1487 struct sfc_adapter *sa = dev->data->dev_private; 1488 struct sfc_port *port = &sa->port; 1489 unsigned int *rss_tbl_new; 1490 uint16_t entry; 1491 int rc = 0; 1492 1493 1494 if (port->isolated) 1495 return -ENOTSUP; 1496 1497 if (sa->rss_support != EFX_RX_SCALE_EXCLUSIVE) { 1498 sfc_err(sa, "RSS is not available"); 1499 return -ENOTSUP; 1500 } 1501 1502 if (sa->rss_channels == 0) { 1503 sfc_err(sa, "RSS is not configured"); 1504 return -EINVAL; 1505 } 1506 1507 if (reta_size != EFX_RSS_TBL_SIZE) { 1508 sfc_err(sa, "RETA size is wrong (should be %u)", 1509 EFX_RSS_TBL_SIZE); 1510 return -EINVAL; 1511 } 1512 1513 rss_tbl_new = rte_zmalloc("rss_tbl_new", sizeof(sa->rss_tbl), 0); 1514 if (rss_tbl_new == NULL) 1515 return -ENOMEM; 1516 1517 sfc_adapter_lock(sa); 1518 1519 rte_memcpy(rss_tbl_new, sa->rss_tbl, sizeof(sa->rss_tbl)); 1520 1521 for (entry = 0; entry < reta_size; entry++) { 1522 int grp_idx = entry % RTE_RETA_GROUP_SIZE; 1523 struct rte_eth_rss_reta_entry64 *grp; 1524 1525 grp = &reta_conf[entry / RTE_RETA_GROUP_SIZE]; 1526 1527 if (grp->mask & (1ull << grp_idx)) { 1528 if (grp->reta[grp_idx] >= sa->rss_channels) { 1529 rc = EINVAL; 1530 goto bad_reta_entry; 1531 } 1532 rss_tbl_new[entry] = grp->reta[grp_idx]; 1533 } 1534 } 1535 1536 if (sa->state == SFC_ADAPTER_STARTED) { 1537 rc = efx_rx_scale_tbl_set(sa->nic, EFX_RSS_CONTEXT_DEFAULT, 1538 rss_tbl_new, EFX_RSS_TBL_SIZE); 1539 if (rc != 0) 1540 goto fail_scale_tbl_set; 1541 } 1542 1543 rte_memcpy(sa->rss_tbl, rss_tbl_new, sizeof(sa->rss_tbl)); 1544 1545 fail_scale_tbl_set: 1546 bad_reta_entry: 1547 sfc_adapter_unlock(sa); 1548 1549 rte_free(rss_tbl_new); 1550 1551 SFC_ASSERT(rc >= 0); 1552 return -rc; 1553 } 1554 #endif 1555 1556 static int 1557 sfc_dev_filter_ctrl(struct rte_eth_dev *dev, enum rte_filter_type filter_type, 1558 enum rte_filter_op filter_op, 1559 void *arg) 1560 { 1561 struct sfc_adapter *sa = dev->data->dev_private; 1562 int rc = ENOTSUP; 1563 1564 sfc_log_init(sa, "entry"); 1565 1566 switch (filter_type) { 1567 case RTE_ETH_FILTER_NONE: 1568 sfc_err(sa, "Global filters configuration not supported"); 1569 break; 1570 case RTE_ETH_FILTER_MACVLAN: 1571 sfc_err(sa, "MACVLAN filters not supported"); 1572 break; 1573 case RTE_ETH_FILTER_ETHERTYPE: 1574 sfc_err(sa, "EtherType filters not supported"); 1575 break; 1576 case RTE_ETH_FILTER_FLEXIBLE: 1577 sfc_err(sa, "Flexible filters not supported"); 1578 break; 1579 case RTE_ETH_FILTER_SYN: 1580 sfc_err(sa, "SYN filters not supported"); 1581 break; 1582 case RTE_ETH_FILTER_NTUPLE: 1583 sfc_err(sa, "NTUPLE filters not supported"); 1584 break; 1585 case RTE_ETH_FILTER_TUNNEL: 1586 sfc_err(sa, "Tunnel filters not supported"); 1587 break; 1588 case RTE_ETH_FILTER_FDIR: 1589 sfc_err(sa, "Flow Director filters not supported"); 1590 break; 1591 case RTE_ETH_FILTER_HASH: 1592 sfc_err(sa, "Hash filters not supported"); 1593 break; 1594 case RTE_ETH_FILTER_GENERIC: 1595 if (filter_op != RTE_ETH_FILTER_GET) { 1596 rc = EINVAL; 1597 } else { 1598 *(const void **)arg = &sfc_flow_ops; 1599 rc = 0; 1600 } 1601 break; 1602 default: 1603 sfc_err(sa, "Unknown filter type %u", filter_type); 1604 break; 1605 } 1606 1607 sfc_log_init(sa, "exit: %d", -rc); 1608 SFC_ASSERT(rc >= 0); 1609 return -rc; 1610 } 1611 1612 static const struct eth_dev_ops sfc_eth_dev_ops = { 1613 .dev_configure = sfc_dev_configure, 1614 .dev_start = sfc_dev_start, 1615 .dev_stop = sfc_dev_stop, 1616 .dev_set_link_up = sfc_dev_set_link_up, 1617 .dev_set_link_down = sfc_dev_set_link_down, 1618 .dev_close = sfc_dev_close, 1619 .promiscuous_enable = sfc_dev_promisc_enable, 1620 .promiscuous_disable = sfc_dev_promisc_disable, 1621 .allmulticast_enable = sfc_dev_allmulti_enable, 1622 .allmulticast_disable = sfc_dev_allmulti_disable, 1623 .link_update = sfc_dev_link_update, 1624 .stats_get = sfc_stats_get, 1625 .stats_reset = sfc_stats_reset, 1626 .xstats_get = sfc_xstats_get, 1627 .xstats_reset = sfc_stats_reset, 1628 .xstats_get_names = sfc_xstats_get_names, 1629 .dev_infos_get = sfc_dev_infos_get, 1630 .dev_supported_ptypes_get = sfc_dev_supported_ptypes_get, 1631 .mtu_set = sfc_dev_set_mtu, 1632 .rx_queue_start = sfc_rx_queue_start, 1633 .rx_queue_stop = sfc_rx_queue_stop, 1634 .tx_queue_start = sfc_tx_queue_start, 1635 .tx_queue_stop = sfc_tx_queue_stop, 1636 .rx_queue_setup = sfc_rx_queue_setup, 1637 .rx_queue_release = sfc_rx_queue_release, 1638 .rx_queue_count = sfc_rx_queue_count, 1639 .rx_descriptor_done = sfc_rx_descriptor_done, 1640 .rx_descriptor_status = sfc_rx_descriptor_status, 1641 .tx_descriptor_status = sfc_tx_descriptor_status, 1642 .tx_queue_setup = sfc_tx_queue_setup, 1643 .tx_queue_release = sfc_tx_queue_release, 1644 .flow_ctrl_get = sfc_flow_ctrl_get, 1645 .flow_ctrl_set = sfc_flow_ctrl_set, 1646 .mac_addr_set = sfc_mac_addr_set, 1647 .udp_tunnel_port_add = sfc_dev_udp_tunnel_port_add, 1648 .udp_tunnel_port_del = sfc_dev_udp_tunnel_port_del, 1649 #if EFSYS_OPT_RX_SCALE 1650 .reta_update = sfc_dev_rss_reta_update, 1651 .reta_query = sfc_dev_rss_reta_query, 1652 .rss_hash_update = sfc_dev_rss_hash_update, 1653 .rss_hash_conf_get = sfc_dev_rss_hash_conf_get, 1654 #endif 1655 .filter_ctrl = sfc_dev_filter_ctrl, 1656 .set_mc_addr_list = sfc_set_mc_addr_list, 1657 .rxq_info_get = sfc_rx_queue_info_get, 1658 .txq_info_get = sfc_tx_queue_info_get, 1659 .fw_version_get = sfc_fw_version_get, 1660 .xstats_get_by_id = sfc_xstats_get_by_id, 1661 .xstats_get_names_by_id = sfc_xstats_get_names_by_id, 1662 }; 1663 1664 /** 1665 * Duplicate a string in potentially shared memory required for 1666 * multi-process support. 1667 * 1668 * strdup() allocates from process-local heap/memory. 1669 */ 1670 static char * 1671 sfc_strdup(const char *str) 1672 { 1673 size_t size; 1674 char *copy; 1675 1676 if (str == NULL) 1677 return NULL; 1678 1679 size = strlen(str) + 1; 1680 copy = rte_malloc(__func__, size, 0); 1681 if (copy != NULL) 1682 rte_memcpy(copy, str, size); 1683 1684 return copy; 1685 } 1686 1687 static int 1688 sfc_eth_dev_set_ops(struct rte_eth_dev *dev) 1689 { 1690 struct sfc_adapter *sa = dev->data->dev_private; 1691 unsigned int avail_caps = 0; 1692 const char *rx_name = NULL; 1693 const char *tx_name = NULL; 1694 int rc; 1695 1696 switch (sa->family) { 1697 case EFX_FAMILY_HUNTINGTON: 1698 case EFX_FAMILY_MEDFORD: 1699 avail_caps |= SFC_DP_HW_FW_CAP_EF10; 1700 break; 1701 default: 1702 break; 1703 } 1704 1705 rc = sfc_kvargs_process(sa, SFC_KVARG_RX_DATAPATH, 1706 sfc_kvarg_string_handler, &rx_name); 1707 if (rc != 0) 1708 goto fail_kvarg_rx_datapath; 1709 1710 if (rx_name != NULL) { 1711 sa->dp_rx = sfc_dp_find_rx_by_name(&sfc_dp_head, rx_name); 1712 if (sa->dp_rx == NULL) { 1713 sfc_err(sa, "Rx datapath %s not found", rx_name); 1714 rc = ENOENT; 1715 goto fail_dp_rx; 1716 } 1717 if (!sfc_dp_match_hw_fw_caps(&sa->dp_rx->dp, avail_caps)) { 1718 sfc_err(sa, 1719 "Insufficient Hw/FW capabilities to use Rx datapath %s", 1720 rx_name); 1721 rc = EINVAL; 1722 goto fail_dp_rx_caps; 1723 } 1724 } else { 1725 sa->dp_rx = sfc_dp_find_rx_by_caps(&sfc_dp_head, avail_caps); 1726 if (sa->dp_rx == NULL) { 1727 sfc_err(sa, "Rx datapath by caps %#x not found", 1728 avail_caps); 1729 rc = ENOENT; 1730 goto fail_dp_rx; 1731 } 1732 } 1733 1734 sa->dp_rx_name = sfc_strdup(sa->dp_rx->dp.name); 1735 if (sa->dp_rx_name == NULL) { 1736 rc = ENOMEM; 1737 goto fail_dp_rx_name; 1738 } 1739 1740 sfc_info(sa, "use %s Rx datapath", sa->dp_rx_name); 1741 1742 dev->rx_pkt_burst = sa->dp_rx->pkt_burst; 1743 1744 rc = sfc_kvargs_process(sa, SFC_KVARG_TX_DATAPATH, 1745 sfc_kvarg_string_handler, &tx_name); 1746 if (rc != 0) 1747 goto fail_kvarg_tx_datapath; 1748 1749 if (tx_name != NULL) { 1750 sa->dp_tx = sfc_dp_find_tx_by_name(&sfc_dp_head, tx_name); 1751 if (sa->dp_tx == NULL) { 1752 sfc_err(sa, "Tx datapath %s not found", tx_name); 1753 rc = ENOENT; 1754 goto fail_dp_tx; 1755 } 1756 if (!sfc_dp_match_hw_fw_caps(&sa->dp_tx->dp, avail_caps)) { 1757 sfc_err(sa, 1758 "Insufficient Hw/FW capabilities to use Tx datapath %s", 1759 tx_name); 1760 rc = EINVAL; 1761 goto fail_dp_tx_caps; 1762 } 1763 } else { 1764 sa->dp_tx = sfc_dp_find_tx_by_caps(&sfc_dp_head, avail_caps); 1765 if (sa->dp_tx == NULL) { 1766 sfc_err(sa, "Tx datapath by caps %#x not found", 1767 avail_caps); 1768 rc = ENOENT; 1769 goto fail_dp_tx; 1770 } 1771 } 1772 1773 sa->dp_tx_name = sfc_strdup(sa->dp_tx->dp.name); 1774 if (sa->dp_tx_name == NULL) { 1775 rc = ENOMEM; 1776 goto fail_dp_tx_name; 1777 } 1778 1779 sfc_info(sa, "use %s Tx datapath", sa->dp_tx_name); 1780 1781 dev->tx_pkt_burst = sa->dp_tx->pkt_burst; 1782 1783 dev->dev_ops = &sfc_eth_dev_ops; 1784 1785 return 0; 1786 1787 fail_dp_tx_name: 1788 fail_dp_tx_caps: 1789 sa->dp_tx = NULL; 1790 1791 fail_dp_tx: 1792 fail_kvarg_tx_datapath: 1793 rte_free(sa->dp_rx_name); 1794 sa->dp_rx_name = NULL; 1795 1796 fail_dp_rx_name: 1797 fail_dp_rx_caps: 1798 sa->dp_rx = NULL; 1799 1800 fail_dp_rx: 1801 fail_kvarg_rx_datapath: 1802 return rc; 1803 } 1804 1805 static void 1806 sfc_eth_dev_clear_ops(struct rte_eth_dev *dev) 1807 { 1808 struct sfc_adapter *sa = dev->data->dev_private; 1809 1810 dev->dev_ops = NULL; 1811 dev->rx_pkt_burst = NULL; 1812 dev->tx_pkt_burst = NULL; 1813 1814 rte_free(sa->dp_tx_name); 1815 sa->dp_tx_name = NULL; 1816 sa->dp_tx = NULL; 1817 1818 rte_free(sa->dp_rx_name); 1819 sa->dp_rx_name = NULL; 1820 sa->dp_rx = NULL; 1821 } 1822 1823 static const struct eth_dev_ops sfc_eth_dev_secondary_ops = { 1824 .rxq_info_get = sfc_rx_queue_info_get, 1825 .txq_info_get = sfc_tx_queue_info_get, 1826 }; 1827 1828 static int 1829 sfc_eth_dev_secondary_set_ops(struct rte_eth_dev *dev) 1830 { 1831 /* 1832 * Device private data has really many process-local pointers. 1833 * Below code should be extremely careful to use data located 1834 * in shared memory only. 1835 */ 1836 struct sfc_adapter *sa = dev->data->dev_private; 1837 const struct sfc_dp_rx *dp_rx; 1838 const struct sfc_dp_tx *dp_tx; 1839 int rc; 1840 1841 dp_rx = sfc_dp_find_rx_by_name(&sfc_dp_head, sa->dp_rx_name); 1842 if (dp_rx == NULL) { 1843 sfc_err(sa, "cannot find %s Rx datapath", sa->dp_tx_name); 1844 rc = ENOENT; 1845 goto fail_dp_rx; 1846 } 1847 if (~dp_rx->features & SFC_DP_RX_FEAT_MULTI_PROCESS) { 1848 sfc_err(sa, "%s Rx datapath does not support multi-process", 1849 sa->dp_tx_name); 1850 rc = EINVAL; 1851 goto fail_dp_rx_multi_process; 1852 } 1853 1854 dp_tx = sfc_dp_find_tx_by_name(&sfc_dp_head, sa->dp_tx_name); 1855 if (dp_tx == NULL) { 1856 sfc_err(sa, "cannot find %s Tx datapath", sa->dp_tx_name); 1857 rc = ENOENT; 1858 goto fail_dp_tx; 1859 } 1860 if (~dp_tx->features & SFC_DP_TX_FEAT_MULTI_PROCESS) { 1861 sfc_err(sa, "%s Tx datapath does not support multi-process", 1862 sa->dp_tx_name); 1863 rc = EINVAL; 1864 goto fail_dp_tx_multi_process; 1865 } 1866 1867 dev->rx_pkt_burst = dp_rx->pkt_burst; 1868 dev->tx_pkt_burst = dp_tx->pkt_burst; 1869 dev->dev_ops = &sfc_eth_dev_secondary_ops; 1870 1871 return 0; 1872 1873 fail_dp_tx_multi_process: 1874 fail_dp_tx: 1875 fail_dp_rx_multi_process: 1876 fail_dp_rx: 1877 return rc; 1878 } 1879 1880 static void 1881 sfc_eth_dev_secondary_clear_ops(struct rte_eth_dev *dev) 1882 { 1883 dev->dev_ops = NULL; 1884 dev->tx_pkt_burst = NULL; 1885 dev->rx_pkt_burst = NULL; 1886 } 1887 1888 static void 1889 sfc_register_dp(void) 1890 { 1891 /* Register once */ 1892 if (TAILQ_EMPTY(&sfc_dp_head)) { 1893 /* Prefer EF10 datapath */ 1894 sfc_dp_register(&sfc_dp_head, &sfc_ef10_rx.dp); 1895 sfc_dp_register(&sfc_dp_head, &sfc_efx_rx.dp); 1896 1897 sfc_dp_register(&sfc_dp_head, &sfc_ef10_tx.dp); 1898 sfc_dp_register(&sfc_dp_head, &sfc_efx_tx.dp); 1899 sfc_dp_register(&sfc_dp_head, &sfc_ef10_simple_tx.dp); 1900 } 1901 } 1902 1903 static int 1904 sfc_eth_dev_init(struct rte_eth_dev *dev) 1905 { 1906 struct sfc_adapter *sa = dev->data->dev_private; 1907 struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev); 1908 int rc; 1909 const efx_nic_cfg_t *encp; 1910 const struct ether_addr *from; 1911 1912 sfc_register_dp(); 1913 1914 if (rte_eal_process_type() != RTE_PROC_PRIMARY) 1915 return -sfc_eth_dev_secondary_set_ops(dev); 1916 1917 /* Required for logging */ 1918 sa->pci_addr = pci_dev->addr; 1919 sa->port_id = dev->data->port_id; 1920 1921 sa->eth_dev = dev; 1922 1923 /* Copy PCI device info to the dev->data */ 1924 rte_eth_copy_pci_info(dev, pci_dev); 1925 1926 rc = sfc_kvargs_parse(sa); 1927 if (rc != 0) 1928 goto fail_kvargs_parse; 1929 1930 rc = sfc_kvargs_process(sa, SFC_KVARG_DEBUG_INIT, 1931 sfc_kvarg_bool_handler, &sa->debug_init); 1932 if (rc != 0) 1933 goto fail_kvarg_debug_init; 1934 1935 sfc_log_init(sa, "entry"); 1936 1937 dev->data->mac_addrs = rte_zmalloc("sfc", ETHER_ADDR_LEN, 0); 1938 if (dev->data->mac_addrs == NULL) { 1939 rc = ENOMEM; 1940 goto fail_mac_addrs; 1941 } 1942 1943 sfc_adapter_lock_init(sa); 1944 sfc_adapter_lock(sa); 1945 1946 sfc_log_init(sa, "probing"); 1947 rc = sfc_probe(sa); 1948 if (rc != 0) 1949 goto fail_probe; 1950 1951 sfc_log_init(sa, "set device ops"); 1952 rc = sfc_eth_dev_set_ops(dev); 1953 if (rc != 0) 1954 goto fail_set_ops; 1955 1956 sfc_log_init(sa, "attaching"); 1957 rc = sfc_attach(sa); 1958 if (rc != 0) 1959 goto fail_attach; 1960 1961 encp = efx_nic_cfg_get(sa->nic); 1962 1963 /* 1964 * The arguments are really reverse order in comparison to 1965 * Linux kernel. Copy from NIC config to Ethernet device data. 1966 */ 1967 from = (const struct ether_addr *)(encp->enc_mac_addr); 1968 ether_addr_copy(from, &dev->data->mac_addrs[0]); 1969 1970 sfc_adapter_unlock(sa); 1971 1972 sfc_log_init(sa, "done"); 1973 return 0; 1974 1975 fail_attach: 1976 sfc_eth_dev_clear_ops(dev); 1977 1978 fail_set_ops: 1979 sfc_unprobe(sa); 1980 1981 fail_probe: 1982 sfc_adapter_unlock(sa); 1983 sfc_adapter_lock_fini(sa); 1984 rte_free(dev->data->mac_addrs); 1985 dev->data->mac_addrs = NULL; 1986 1987 fail_mac_addrs: 1988 fail_kvarg_debug_init: 1989 sfc_kvargs_cleanup(sa); 1990 1991 fail_kvargs_parse: 1992 sfc_log_init(sa, "failed %d", rc); 1993 SFC_ASSERT(rc > 0); 1994 return -rc; 1995 } 1996 1997 static int 1998 sfc_eth_dev_uninit(struct rte_eth_dev *dev) 1999 { 2000 struct sfc_adapter *sa; 2001 2002 if (rte_eal_process_type() != RTE_PROC_PRIMARY) { 2003 sfc_eth_dev_secondary_clear_ops(dev); 2004 return 0; 2005 } 2006 2007 sa = dev->data->dev_private; 2008 sfc_log_init(sa, "entry"); 2009 2010 sfc_adapter_lock(sa); 2011 2012 sfc_eth_dev_clear_ops(dev); 2013 2014 sfc_detach(sa); 2015 sfc_unprobe(sa); 2016 2017 rte_free(dev->data->mac_addrs); 2018 dev->data->mac_addrs = NULL; 2019 2020 sfc_kvargs_cleanup(sa); 2021 2022 sfc_adapter_unlock(sa); 2023 sfc_adapter_lock_fini(sa); 2024 2025 sfc_log_init(sa, "done"); 2026 2027 /* Required for logging, so cleanup last */ 2028 sa->eth_dev = NULL; 2029 return 0; 2030 } 2031 2032 static const struct rte_pci_id pci_id_sfc_efx_map[] = { 2033 { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_FARMINGDALE) }, 2034 { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_FARMINGDALE_VF) }, 2035 { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_GREENPORT) }, 2036 { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_GREENPORT_VF) }, 2037 { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_MEDFORD) }, 2038 { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_MEDFORD_VF) }, 2039 { .vendor_id = 0 /* sentinel */ } 2040 }; 2041 2042 static int sfc_eth_dev_pci_probe(struct rte_pci_driver *pci_drv __rte_unused, 2043 struct rte_pci_device *pci_dev) 2044 { 2045 return rte_eth_dev_pci_generic_probe(pci_dev, 2046 sizeof(struct sfc_adapter), sfc_eth_dev_init); 2047 } 2048 2049 static int sfc_eth_dev_pci_remove(struct rte_pci_device *pci_dev) 2050 { 2051 return rte_eth_dev_pci_generic_remove(pci_dev, sfc_eth_dev_uninit); 2052 } 2053 2054 static struct rte_pci_driver sfc_efx_pmd = { 2055 .id_table = pci_id_sfc_efx_map, 2056 .drv_flags = 2057 RTE_PCI_DRV_INTR_LSC | 2058 RTE_PCI_DRV_NEED_MAPPING, 2059 .probe = sfc_eth_dev_pci_probe, 2060 .remove = sfc_eth_dev_pci_remove, 2061 }; 2062 2063 RTE_PMD_REGISTER_PCI(net_sfc_efx, sfc_efx_pmd); 2064 RTE_PMD_REGISTER_PCI_TABLE(net_sfc_efx, pci_id_sfc_efx_map); 2065 RTE_PMD_REGISTER_KMOD_DEP(net_sfc_efx, "* igb_uio | uio_pci_generic | vfio-pci"); 2066 RTE_PMD_REGISTER_PARAM_STRING(net_sfc_efx, 2067 SFC_KVARG_RX_DATAPATH "=" SFC_KVARG_VALUES_RX_DATAPATH " " 2068 SFC_KVARG_TX_DATAPATH "=" SFC_KVARG_VALUES_TX_DATAPATH " " 2069 SFC_KVARG_PERF_PROFILE "=" SFC_KVARG_VALUES_PERF_PROFILE " " 2070 SFC_KVARG_STATS_UPDATE_PERIOD_MS "=<long> " 2071 SFC_KVARG_MCDI_LOGGING "=" SFC_KVARG_VALUES_BOOL " " 2072 SFC_KVARG_DEBUG_INIT "=" SFC_KVARG_VALUES_BOOL); 2073 2074 RTE_INIT(sfc_driver_register_logtype); 2075 static void 2076 sfc_driver_register_logtype(void) 2077 { 2078 int ret; 2079 2080 ret = rte_log_register_type_and_pick_level(SFC_LOGTYPE_PREFIX "driver", 2081 RTE_LOG_NOTICE); 2082 sfc_logtype_driver = (ret < 0) ? RTE_LOGTYPE_PMD : ret; 2083 } 2084