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.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 static struct sfc_dp_list sfc_dp_head = 31 TAILQ_HEAD_INITIALIZER(sfc_dp_head); 32 33 static int 34 sfc_fw_version_get(struct rte_eth_dev *dev, char *fw_version, size_t fw_size) 35 { 36 struct sfc_adapter *sa = dev->data->dev_private; 37 efx_nic_fw_info_t enfi; 38 int ret; 39 int rc; 40 41 /* 42 * Return value of the callback is likely supposed to be 43 * equal to or greater than 0, nevertheless, if an error 44 * occurs, it will be desirable to pass it to the caller 45 */ 46 if ((fw_version == NULL) || (fw_size == 0)) 47 return -EINVAL; 48 49 rc = efx_nic_get_fw_version(sa->nic, &enfi); 50 if (rc != 0) 51 return -rc; 52 53 ret = snprintf(fw_version, fw_size, 54 "%" PRIu16 ".%" PRIu16 ".%" PRIu16 ".%" PRIu16, 55 enfi.enfi_mc_fw_version[0], enfi.enfi_mc_fw_version[1], 56 enfi.enfi_mc_fw_version[2], enfi.enfi_mc_fw_version[3]); 57 if (ret < 0) 58 return ret; 59 60 if (enfi.enfi_dpcpu_fw_ids_valid) { 61 size_t dpcpu_fw_ids_offset = MIN(fw_size - 1, (size_t)ret); 62 int ret_extra; 63 64 ret_extra = snprintf(fw_version + dpcpu_fw_ids_offset, 65 fw_size - dpcpu_fw_ids_offset, 66 " rx%" PRIx16 " tx%" PRIx16, 67 enfi.enfi_rx_dpcpu_fw_id, 68 enfi.enfi_tx_dpcpu_fw_id); 69 if (ret_extra < 0) 70 return ret_extra; 71 72 ret += ret_extra; 73 } 74 75 if (fw_size < (size_t)(++ret)) 76 return ret; 77 else 78 return 0; 79 } 80 81 static void 82 sfc_dev_infos_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info) 83 { 84 struct sfc_adapter *sa = dev->data->dev_private; 85 const efx_nic_cfg_t *encp = efx_nic_cfg_get(sa->nic); 86 uint64_t txq_offloads_def = 0; 87 88 sfc_log_init(sa, "entry"); 89 90 dev_info->pci_dev = RTE_ETH_DEV_TO_PCI(dev); 91 dev_info->max_rx_pktlen = EFX_MAC_PDU_MAX; 92 93 /* Autonegotiation may be disabled */ 94 dev_info->speed_capa = ETH_LINK_SPEED_FIXED; 95 if (sa->port.phy_adv_cap_mask & EFX_PHY_CAP_1000FDX) 96 dev_info->speed_capa |= ETH_LINK_SPEED_1G; 97 if (sa->port.phy_adv_cap_mask & EFX_PHY_CAP_10000FDX) 98 dev_info->speed_capa |= ETH_LINK_SPEED_10G; 99 if (sa->port.phy_adv_cap_mask & EFX_PHY_CAP_40000FDX) 100 dev_info->speed_capa |= ETH_LINK_SPEED_40G; 101 102 dev_info->max_rx_queues = sa->rxq_max; 103 dev_info->max_tx_queues = sa->txq_max; 104 105 /* By default packets are dropped if no descriptors are available */ 106 dev_info->default_rxconf.rx_drop_en = 1; 107 108 dev_info->rx_queue_offload_capa = sfc_rx_get_queue_offload_caps(sa); 109 110 /* 111 * rx_offload_capa includes both device and queue offloads since 112 * the latter may be requested on a per device basis which makes 113 * sense when some offloads are needed to be set on all queues. 114 */ 115 dev_info->rx_offload_capa = sfc_rx_get_dev_offload_caps(sa) | 116 dev_info->rx_queue_offload_capa; 117 118 dev_info->tx_queue_offload_capa = sfc_tx_get_queue_offload_caps(sa); 119 120 /* 121 * tx_offload_capa includes both device and queue offloads since 122 * the latter may be requested on a per device basis which makes 123 * sense when some offloads are needed to be set on all queues. 124 */ 125 dev_info->tx_offload_capa = sfc_tx_get_dev_offload_caps(sa) | 126 dev_info->tx_queue_offload_capa; 127 128 if (dev_info->tx_offload_capa & DEV_TX_OFFLOAD_MBUF_FAST_FREE) 129 txq_offloads_def |= DEV_TX_OFFLOAD_MBUF_FAST_FREE; 130 131 dev_info->default_txconf.offloads |= txq_offloads_def; 132 133 dev_info->default_txconf.txq_flags = ETH_TXQ_FLAGS_NOXSUMSCTP; 134 if ((~sa->dp_tx->features & SFC_DP_TX_FEAT_VLAN_INSERT) || 135 !encp->enc_hw_tx_insert_vlan_enabled) 136 dev_info->default_txconf.txq_flags |= ETH_TXQ_FLAGS_NOVLANOFFL; 137 138 if (~sa->dp_tx->features & SFC_DP_TX_FEAT_MULTI_SEG) 139 dev_info->default_txconf.txq_flags |= ETH_TXQ_FLAGS_NOMULTSEGS; 140 141 if (~sa->dp_tx->features & SFC_DP_TX_FEAT_MULTI_POOL) 142 dev_info->default_txconf.txq_flags |= ETH_TXQ_FLAGS_NOMULTMEMP; 143 144 if (~sa->dp_tx->features & SFC_DP_TX_FEAT_REFCNT) 145 dev_info->default_txconf.txq_flags |= ETH_TXQ_FLAGS_NOREFCOUNT; 146 147 #if EFSYS_OPT_RX_SCALE 148 if (sa->rss_support != EFX_RX_SCALE_UNAVAILABLE) { 149 dev_info->reta_size = EFX_RSS_TBL_SIZE; 150 dev_info->hash_key_size = EFX_RSS_KEY_SIZE; 151 dev_info->flow_type_rss_offloads = SFC_RSS_OFFLOADS; 152 } 153 #endif 154 155 /* Initialize to hardware limits */ 156 dev_info->rx_desc_lim.nb_max = EFX_RXQ_MAXNDESCS; 157 dev_info->rx_desc_lim.nb_min = EFX_RXQ_MINNDESCS; 158 /* The RXQ hardware requires that the descriptor count is a power 159 * of 2, but rx_desc_lim cannot properly describe that constraint. 160 */ 161 dev_info->rx_desc_lim.nb_align = EFX_RXQ_MINNDESCS; 162 163 /* Initialize to hardware limits */ 164 dev_info->tx_desc_lim.nb_max = sa->txq_max_entries; 165 dev_info->tx_desc_lim.nb_min = EFX_TXQ_MINNDESCS; 166 /* 167 * The TXQ hardware requires that the descriptor count is a power 168 * of 2, but tx_desc_lim cannot properly describe that constraint 169 */ 170 dev_info->tx_desc_lim.nb_align = EFX_TXQ_MINNDESCS; 171 172 if (sa->dp_rx->get_dev_info != NULL) 173 sa->dp_rx->get_dev_info(dev_info); 174 if (sa->dp_tx->get_dev_info != NULL) 175 sa->dp_tx->get_dev_info(dev_info); 176 } 177 178 static const uint32_t * 179 sfc_dev_supported_ptypes_get(struct rte_eth_dev *dev) 180 { 181 struct sfc_adapter *sa = dev->data->dev_private; 182 const efx_nic_cfg_t *encp = efx_nic_cfg_get(sa->nic); 183 uint32_t tunnel_encaps = encp->enc_tunnel_encapsulations_supported; 184 185 return sa->dp_rx->supported_ptypes_get(tunnel_encaps); 186 } 187 188 static int 189 sfc_dev_configure(struct rte_eth_dev *dev) 190 { 191 struct rte_eth_dev_data *dev_data = dev->data; 192 struct sfc_adapter *sa = dev_data->dev_private; 193 int rc; 194 195 sfc_log_init(sa, "entry n_rxq=%u n_txq=%u", 196 dev_data->nb_rx_queues, dev_data->nb_tx_queues); 197 198 sfc_adapter_lock(sa); 199 switch (sa->state) { 200 case SFC_ADAPTER_CONFIGURED: 201 /* FALLTHROUGH */ 202 case SFC_ADAPTER_INITIALIZED: 203 rc = sfc_configure(sa); 204 break; 205 default: 206 sfc_err(sa, "unexpected adapter state %u to configure", 207 sa->state); 208 rc = EINVAL; 209 break; 210 } 211 sfc_adapter_unlock(sa); 212 213 sfc_log_init(sa, "done %d", rc); 214 SFC_ASSERT(rc >= 0); 215 return -rc; 216 } 217 218 static int 219 sfc_dev_start(struct rte_eth_dev *dev) 220 { 221 struct sfc_adapter *sa = dev->data->dev_private; 222 int rc; 223 224 sfc_log_init(sa, "entry"); 225 226 sfc_adapter_lock(sa); 227 rc = sfc_start(sa); 228 sfc_adapter_unlock(sa); 229 230 sfc_log_init(sa, "done %d", rc); 231 SFC_ASSERT(rc >= 0); 232 return -rc; 233 } 234 235 static int 236 sfc_dev_link_update(struct rte_eth_dev *dev, int wait_to_complete) 237 { 238 struct sfc_adapter *sa = dev->data->dev_private; 239 struct rte_eth_link *dev_link = &dev->data->dev_link; 240 struct rte_eth_link old_link; 241 struct rte_eth_link current_link; 242 243 sfc_log_init(sa, "entry"); 244 245 retry: 246 EFX_STATIC_ASSERT(sizeof(*dev_link) == sizeof(rte_atomic64_t)); 247 *(int64_t *)&old_link = rte_atomic64_read((rte_atomic64_t *)dev_link); 248 249 if (sa->state != SFC_ADAPTER_STARTED) { 250 sfc_port_link_mode_to_info(EFX_LINK_UNKNOWN, ¤t_link); 251 if (!rte_atomic64_cmpset((volatile uint64_t *)dev_link, 252 *(uint64_t *)&old_link, 253 *(uint64_t *)¤t_link)) 254 goto retry; 255 } else if (wait_to_complete) { 256 efx_link_mode_t link_mode; 257 258 if (efx_port_poll(sa->nic, &link_mode) != 0) 259 link_mode = EFX_LINK_UNKNOWN; 260 sfc_port_link_mode_to_info(link_mode, ¤t_link); 261 262 if (!rte_atomic64_cmpset((volatile uint64_t *)dev_link, 263 *(uint64_t *)&old_link, 264 *(uint64_t *)¤t_link)) 265 goto retry; 266 } else { 267 sfc_ev_mgmt_qpoll(sa); 268 *(int64_t *)¤t_link = 269 rte_atomic64_read((rte_atomic64_t *)dev_link); 270 } 271 272 if (old_link.link_status != current_link.link_status) 273 sfc_info(sa, "Link status is %s", 274 current_link.link_status ? "UP" : "DOWN"); 275 276 return old_link.link_status == current_link.link_status ? 0 : -1; 277 } 278 279 static void 280 sfc_dev_stop(struct rte_eth_dev *dev) 281 { 282 struct sfc_adapter *sa = dev->data->dev_private; 283 284 sfc_log_init(sa, "entry"); 285 286 sfc_adapter_lock(sa); 287 sfc_stop(sa); 288 sfc_adapter_unlock(sa); 289 290 sfc_log_init(sa, "done"); 291 } 292 293 static int 294 sfc_dev_set_link_up(struct rte_eth_dev *dev) 295 { 296 struct sfc_adapter *sa = dev->data->dev_private; 297 int rc; 298 299 sfc_log_init(sa, "entry"); 300 301 sfc_adapter_lock(sa); 302 rc = sfc_start(sa); 303 sfc_adapter_unlock(sa); 304 305 SFC_ASSERT(rc >= 0); 306 return -rc; 307 } 308 309 static int 310 sfc_dev_set_link_down(struct rte_eth_dev *dev) 311 { 312 struct sfc_adapter *sa = dev->data->dev_private; 313 314 sfc_log_init(sa, "entry"); 315 316 sfc_adapter_lock(sa); 317 sfc_stop(sa); 318 sfc_adapter_unlock(sa); 319 320 return 0; 321 } 322 323 static void 324 sfc_dev_close(struct rte_eth_dev *dev) 325 { 326 struct sfc_adapter *sa = dev->data->dev_private; 327 328 sfc_log_init(sa, "entry"); 329 330 sfc_adapter_lock(sa); 331 switch (sa->state) { 332 case SFC_ADAPTER_STARTED: 333 sfc_stop(sa); 334 SFC_ASSERT(sa->state == SFC_ADAPTER_CONFIGURED); 335 /* FALLTHROUGH */ 336 case SFC_ADAPTER_CONFIGURED: 337 sfc_close(sa); 338 SFC_ASSERT(sa->state == SFC_ADAPTER_INITIALIZED); 339 /* FALLTHROUGH */ 340 case SFC_ADAPTER_INITIALIZED: 341 break; 342 default: 343 sfc_err(sa, "unexpected adapter state %u on close", sa->state); 344 break; 345 } 346 sfc_adapter_unlock(sa); 347 348 sfc_log_init(sa, "done"); 349 } 350 351 static void 352 sfc_dev_filter_set(struct rte_eth_dev *dev, enum sfc_dev_filter_mode mode, 353 boolean_t enabled) 354 { 355 struct sfc_port *port; 356 boolean_t *toggle; 357 struct sfc_adapter *sa = dev->data->dev_private; 358 boolean_t allmulti = (mode == SFC_DEV_FILTER_MODE_ALLMULTI); 359 const char *desc = (allmulti) ? "all-multi" : "promiscuous"; 360 361 sfc_adapter_lock(sa); 362 363 port = &sa->port; 364 toggle = (allmulti) ? (&port->allmulti) : (&port->promisc); 365 366 if (*toggle != enabled) { 367 *toggle = enabled; 368 369 if (port->isolated) { 370 sfc_warn(sa, "isolated mode is active on the port"); 371 sfc_warn(sa, "the change is to be applied on the next " 372 "start provided that isolated mode is " 373 "disabled prior the next start"); 374 } else if ((sa->state == SFC_ADAPTER_STARTED) && 375 (sfc_set_rx_mode(sa) != 0)) { 376 *toggle = !(enabled); 377 sfc_warn(sa, "Failed to %s %s mode", 378 ((enabled) ? "enable" : "disable"), desc); 379 } 380 } 381 382 sfc_adapter_unlock(sa); 383 } 384 385 static void 386 sfc_dev_promisc_enable(struct rte_eth_dev *dev) 387 { 388 sfc_dev_filter_set(dev, SFC_DEV_FILTER_MODE_PROMISC, B_TRUE); 389 } 390 391 static void 392 sfc_dev_promisc_disable(struct rte_eth_dev *dev) 393 { 394 sfc_dev_filter_set(dev, SFC_DEV_FILTER_MODE_PROMISC, B_FALSE); 395 } 396 397 static void 398 sfc_dev_allmulti_enable(struct rte_eth_dev *dev) 399 { 400 sfc_dev_filter_set(dev, SFC_DEV_FILTER_MODE_ALLMULTI, B_TRUE); 401 } 402 403 static void 404 sfc_dev_allmulti_disable(struct rte_eth_dev *dev) 405 { 406 sfc_dev_filter_set(dev, SFC_DEV_FILTER_MODE_ALLMULTI, B_FALSE); 407 } 408 409 static int 410 sfc_rx_queue_setup(struct rte_eth_dev *dev, uint16_t rx_queue_id, 411 uint16_t nb_rx_desc, unsigned int socket_id, 412 const struct rte_eth_rxconf *rx_conf, 413 struct rte_mempool *mb_pool) 414 { 415 struct sfc_adapter *sa = dev->data->dev_private; 416 int rc; 417 418 sfc_log_init(sa, "RxQ=%u nb_rx_desc=%u socket_id=%u", 419 rx_queue_id, nb_rx_desc, socket_id); 420 421 sfc_adapter_lock(sa); 422 423 rc = sfc_rx_qinit(sa, rx_queue_id, nb_rx_desc, socket_id, 424 rx_conf, mb_pool); 425 if (rc != 0) 426 goto fail_rx_qinit; 427 428 dev->data->rx_queues[rx_queue_id] = sa->rxq_info[rx_queue_id].rxq->dp; 429 430 sfc_adapter_unlock(sa); 431 432 return 0; 433 434 fail_rx_qinit: 435 sfc_adapter_unlock(sa); 436 SFC_ASSERT(rc > 0); 437 return -rc; 438 } 439 440 static void 441 sfc_rx_queue_release(void *queue) 442 { 443 struct sfc_dp_rxq *dp_rxq = queue; 444 struct sfc_rxq *rxq; 445 struct sfc_adapter *sa; 446 unsigned int sw_index; 447 448 if (dp_rxq == NULL) 449 return; 450 451 rxq = sfc_rxq_by_dp_rxq(dp_rxq); 452 sa = rxq->evq->sa; 453 sfc_adapter_lock(sa); 454 455 sw_index = sfc_rxq_sw_index(rxq); 456 457 sfc_log_init(sa, "RxQ=%u", sw_index); 458 459 sa->eth_dev->data->rx_queues[sw_index] = NULL; 460 461 sfc_rx_qfini(sa, sw_index); 462 463 sfc_adapter_unlock(sa); 464 } 465 466 static int 467 sfc_tx_queue_setup(struct rte_eth_dev *dev, uint16_t tx_queue_id, 468 uint16_t nb_tx_desc, unsigned int socket_id, 469 const struct rte_eth_txconf *tx_conf) 470 { 471 struct sfc_adapter *sa = dev->data->dev_private; 472 int rc; 473 474 sfc_log_init(sa, "TxQ = %u, nb_tx_desc = %u, socket_id = %u", 475 tx_queue_id, nb_tx_desc, socket_id); 476 477 sfc_adapter_lock(sa); 478 479 rc = sfc_tx_qinit(sa, tx_queue_id, nb_tx_desc, socket_id, tx_conf); 480 if (rc != 0) 481 goto fail_tx_qinit; 482 483 dev->data->tx_queues[tx_queue_id] = sa->txq_info[tx_queue_id].txq->dp; 484 485 sfc_adapter_unlock(sa); 486 return 0; 487 488 fail_tx_qinit: 489 sfc_adapter_unlock(sa); 490 SFC_ASSERT(rc > 0); 491 return -rc; 492 } 493 494 static void 495 sfc_tx_queue_release(void *queue) 496 { 497 struct sfc_dp_txq *dp_txq = queue; 498 struct sfc_txq *txq; 499 unsigned int sw_index; 500 struct sfc_adapter *sa; 501 502 if (dp_txq == NULL) 503 return; 504 505 txq = sfc_txq_by_dp_txq(dp_txq); 506 sw_index = sfc_txq_sw_index(txq); 507 508 SFC_ASSERT(txq->evq != NULL); 509 sa = txq->evq->sa; 510 511 sfc_log_init(sa, "TxQ = %u", sw_index); 512 513 sfc_adapter_lock(sa); 514 515 SFC_ASSERT(sw_index < sa->eth_dev->data->nb_tx_queues); 516 sa->eth_dev->data->tx_queues[sw_index] = NULL; 517 518 sfc_tx_qfini(sa, sw_index); 519 520 sfc_adapter_unlock(sa); 521 } 522 523 static int 524 sfc_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats) 525 { 526 struct sfc_adapter *sa = dev->data->dev_private; 527 struct sfc_port *port = &sa->port; 528 uint64_t *mac_stats; 529 int ret; 530 531 rte_spinlock_lock(&port->mac_stats_lock); 532 533 ret = sfc_port_update_mac_stats(sa); 534 if (ret != 0) 535 goto unlock; 536 537 mac_stats = port->mac_stats_buf; 538 539 if (EFX_MAC_STAT_SUPPORTED(port->mac_stats_mask, 540 EFX_MAC_VADAPTER_RX_UNICAST_PACKETS)) { 541 stats->ipackets = 542 mac_stats[EFX_MAC_VADAPTER_RX_UNICAST_PACKETS] + 543 mac_stats[EFX_MAC_VADAPTER_RX_MULTICAST_PACKETS] + 544 mac_stats[EFX_MAC_VADAPTER_RX_BROADCAST_PACKETS]; 545 stats->opackets = 546 mac_stats[EFX_MAC_VADAPTER_TX_UNICAST_PACKETS] + 547 mac_stats[EFX_MAC_VADAPTER_TX_MULTICAST_PACKETS] + 548 mac_stats[EFX_MAC_VADAPTER_TX_BROADCAST_PACKETS]; 549 stats->ibytes = 550 mac_stats[EFX_MAC_VADAPTER_RX_UNICAST_BYTES] + 551 mac_stats[EFX_MAC_VADAPTER_RX_MULTICAST_BYTES] + 552 mac_stats[EFX_MAC_VADAPTER_RX_BROADCAST_BYTES]; 553 stats->obytes = 554 mac_stats[EFX_MAC_VADAPTER_TX_UNICAST_BYTES] + 555 mac_stats[EFX_MAC_VADAPTER_TX_MULTICAST_BYTES] + 556 mac_stats[EFX_MAC_VADAPTER_TX_BROADCAST_BYTES]; 557 stats->imissed = mac_stats[EFX_MAC_VADAPTER_RX_OVERFLOW]; 558 stats->ierrors = mac_stats[EFX_MAC_VADAPTER_RX_BAD_PACKETS]; 559 stats->oerrors = mac_stats[EFX_MAC_VADAPTER_TX_BAD_PACKETS]; 560 } else { 561 stats->ipackets = mac_stats[EFX_MAC_RX_PKTS]; 562 stats->opackets = mac_stats[EFX_MAC_TX_PKTS]; 563 stats->ibytes = mac_stats[EFX_MAC_RX_OCTETS]; 564 stats->obytes = mac_stats[EFX_MAC_TX_OCTETS]; 565 /* 566 * Take into account stats which are whenever supported 567 * on EF10. If some stat is not supported by current 568 * firmware variant or HW revision, it is guaranteed 569 * to be zero in mac_stats. 570 */ 571 stats->imissed = 572 mac_stats[EFX_MAC_RX_NODESC_DROP_CNT] + 573 mac_stats[EFX_MAC_PM_TRUNC_BB_OVERFLOW] + 574 mac_stats[EFX_MAC_PM_DISCARD_BB_OVERFLOW] + 575 mac_stats[EFX_MAC_PM_TRUNC_VFIFO_FULL] + 576 mac_stats[EFX_MAC_PM_DISCARD_VFIFO_FULL] + 577 mac_stats[EFX_MAC_PM_TRUNC_QBB] + 578 mac_stats[EFX_MAC_PM_DISCARD_QBB] + 579 mac_stats[EFX_MAC_PM_DISCARD_MAPPING] + 580 mac_stats[EFX_MAC_RXDP_Q_DISABLED_PKTS] + 581 mac_stats[EFX_MAC_RXDP_DI_DROPPED_PKTS]; 582 stats->ierrors = 583 mac_stats[EFX_MAC_RX_FCS_ERRORS] + 584 mac_stats[EFX_MAC_RX_ALIGN_ERRORS] + 585 mac_stats[EFX_MAC_RX_JABBER_PKTS]; 586 /* no oerrors counters supported on EF10 */ 587 } 588 589 unlock: 590 rte_spinlock_unlock(&port->mac_stats_lock); 591 SFC_ASSERT(ret >= 0); 592 return -ret; 593 } 594 595 static void 596 sfc_stats_reset(struct rte_eth_dev *dev) 597 { 598 struct sfc_adapter *sa = dev->data->dev_private; 599 struct sfc_port *port = &sa->port; 600 int rc; 601 602 if (sa->state != SFC_ADAPTER_STARTED) { 603 /* 604 * The operation cannot be done if port is not started; it 605 * will be scheduled to be done during the next port start 606 */ 607 port->mac_stats_reset_pending = B_TRUE; 608 return; 609 } 610 611 rc = sfc_port_reset_mac_stats(sa); 612 if (rc != 0) 613 sfc_err(sa, "failed to reset statistics (rc = %d)", rc); 614 } 615 616 static int 617 sfc_xstats_get(struct rte_eth_dev *dev, struct rte_eth_xstat *xstats, 618 unsigned int xstats_count) 619 { 620 struct sfc_adapter *sa = dev->data->dev_private; 621 struct sfc_port *port = &sa->port; 622 uint64_t *mac_stats; 623 int rc; 624 unsigned int i; 625 int nstats = 0; 626 627 rte_spinlock_lock(&port->mac_stats_lock); 628 629 rc = sfc_port_update_mac_stats(sa); 630 if (rc != 0) { 631 SFC_ASSERT(rc > 0); 632 nstats = -rc; 633 goto unlock; 634 } 635 636 mac_stats = port->mac_stats_buf; 637 638 for (i = 0; i < EFX_MAC_NSTATS; ++i) { 639 if (EFX_MAC_STAT_SUPPORTED(port->mac_stats_mask, i)) { 640 if (xstats != NULL && nstats < (int)xstats_count) { 641 xstats[nstats].id = nstats; 642 xstats[nstats].value = mac_stats[i]; 643 } 644 nstats++; 645 } 646 } 647 648 unlock: 649 rte_spinlock_unlock(&port->mac_stats_lock); 650 651 return nstats; 652 } 653 654 static int 655 sfc_xstats_get_names(struct rte_eth_dev *dev, 656 struct rte_eth_xstat_name *xstats_names, 657 unsigned int xstats_count) 658 { 659 struct sfc_adapter *sa = dev->data->dev_private; 660 struct sfc_port *port = &sa->port; 661 unsigned int i; 662 unsigned int nstats = 0; 663 664 for (i = 0; i < EFX_MAC_NSTATS; ++i) { 665 if (EFX_MAC_STAT_SUPPORTED(port->mac_stats_mask, i)) { 666 if (xstats_names != NULL && nstats < xstats_count) 667 strncpy(xstats_names[nstats].name, 668 efx_mac_stat_name(sa->nic, i), 669 sizeof(xstats_names[0].name)); 670 nstats++; 671 } 672 } 673 674 return nstats; 675 } 676 677 static int 678 sfc_xstats_get_by_id(struct rte_eth_dev *dev, const uint64_t *ids, 679 uint64_t *values, unsigned int n) 680 { 681 struct sfc_adapter *sa = dev->data->dev_private; 682 struct sfc_port *port = &sa->port; 683 uint64_t *mac_stats; 684 unsigned int nb_supported = 0; 685 unsigned int nb_written = 0; 686 unsigned int i; 687 int ret; 688 int rc; 689 690 if (unlikely(values == NULL) || 691 unlikely((ids == NULL) && (n < port->mac_stats_nb_supported))) 692 return port->mac_stats_nb_supported; 693 694 rte_spinlock_lock(&port->mac_stats_lock); 695 696 rc = sfc_port_update_mac_stats(sa); 697 if (rc != 0) { 698 SFC_ASSERT(rc > 0); 699 ret = -rc; 700 goto unlock; 701 } 702 703 mac_stats = port->mac_stats_buf; 704 705 for (i = 0; (i < EFX_MAC_NSTATS) && (nb_written < n); ++i) { 706 if (!EFX_MAC_STAT_SUPPORTED(port->mac_stats_mask, i)) 707 continue; 708 709 if ((ids == NULL) || (ids[nb_written] == nb_supported)) 710 values[nb_written++] = mac_stats[i]; 711 712 ++nb_supported; 713 } 714 715 ret = nb_written; 716 717 unlock: 718 rte_spinlock_unlock(&port->mac_stats_lock); 719 720 return ret; 721 } 722 723 static int 724 sfc_xstats_get_names_by_id(struct rte_eth_dev *dev, 725 struct rte_eth_xstat_name *xstats_names, 726 const uint64_t *ids, unsigned int size) 727 { 728 struct sfc_adapter *sa = dev->data->dev_private; 729 struct sfc_port *port = &sa->port; 730 unsigned int nb_supported = 0; 731 unsigned int nb_written = 0; 732 unsigned int i; 733 734 if (unlikely(xstats_names == NULL) || 735 unlikely((ids == NULL) && (size < port->mac_stats_nb_supported))) 736 return port->mac_stats_nb_supported; 737 738 for (i = 0; (i < EFX_MAC_NSTATS) && (nb_written < size); ++i) { 739 if (!EFX_MAC_STAT_SUPPORTED(port->mac_stats_mask, i)) 740 continue; 741 742 if ((ids == NULL) || (ids[nb_written] == nb_supported)) { 743 char *name = xstats_names[nb_written++].name; 744 745 strncpy(name, efx_mac_stat_name(sa->nic, i), 746 sizeof(xstats_names[0].name)); 747 name[sizeof(xstats_names[0].name) - 1] = '\0'; 748 } 749 750 ++nb_supported; 751 } 752 753 return nb_written; 754 } 755 756 static int 757 sfc_flow_ctrl_get(struct rte_eth_dev *dev, struct rte_eth_fc_conf *fc_conf) 758 { 759 struct sfc_adapter *sa = dev->data->dev_private; 760 unsigned int wanted_fc, link_fc; 761 762 memset(fc_conf, 0, sizeof(*fc_conf)); 763 764 sfc_adapter_lock(sa); 765 766 if (sa->state == SFC_ADAPTER_STARTED) 767 efx_mac_fcntl_get(sa->nic, &wanted_fc, &link_fc); 768 else 769 link_fc = sa->port.flow_ctrl; 770 771 switch (link_fc) { 772 case 0: 773 fc_conf->mode = RTE_FC_NONE; 774 break; 775 case EFX_FCNTL_RESPOND: 776 fc_conf->mode = RTE_FC_RX_PAUSE; 777 break; 778 case EFX_FCNTL_GENERATE: 779 fc_conf->mode = RTE_FC_TX_PAUSE; 780 break; 781 case (EFX_FCNTL_RESPOND | EFX_FCNTL_GENERATE): 782 fc_conf->mode = RTE_FC_FULL; 783 break; 784 default: 785 sfc_err(sa, "%s: unexpected flow control value %#x", 786 __func__, link_fc); 787 } 788 789 fc_conf->autoneg = sa->port.flow_ctrl_autoneg; 790 791 sfc_adapter_unlock(sa); 792 793 return 0; 794 } 795 796 static int 797 sfc_flow_ctrl_set(struct rte_eth_dev *dev, struct rte_eth_fc_conf *fc_conf) 798 { 799 struct sfc_adapter *sa = dev->data->dev_private; 800 struct sfc_port *port = &sa->port; 801 unsigned int fcntl; 802 int rc; 803 804 if (fc_conf->high_water != 0 || fc_conf->low_water != 0 || 805 fc_conf->pause_time != 0 || fc_conf->send_xon != 0 || 806 fc_conf->mac_ctrl_frame_fwd != 0) { 807 sfc_err(sa, "unsupported flow control settings specified"); 808 rc = EINVAL; 809 goto fail_inval; 810 } 811 812 switch (fc_conf->mode) { 813 case RTE_FC_NONE: 814 fcntl = 0; 815 break; 816 case RTE_FC_RX_PAUSE: 817 fcntl = EFX_FCNTL_RESPOND; 818 break; 819 case RTE_FC_TX_PAUSE: 820 fcntl = EFX_FCNTL_GENERATE; 821 break; 822 case RTE_FC_FULL: 823 fcntl = EFX_FCNTL_RESPOND | EFX_FCNTL_GENERATE; 824 break; 825 default: 826 rc = EINVAL; 827 goto fail_inval; 828 } 829 830 sfc_adapter_lock(sa); 831 832 if (sa->state == SFC_ADAPTER_STARTED) { 833 rc = efx_mac_fcntl_set(sa->nic, fcntl, fc_conf->autoneg); 834 if (rc != 0) 835 goto fail_mac_fcntl_set; 836 } 837 838 port->flow_ctrl = fcntl; 839 port->flow_ctrl_autoneg = fc_conf->autoneg; 840 841 sfc_adapter_unlock(sa); 842 843 return 0; 844 845 fail_mac_fcntl_set: 846 sfc_adapter_unlock(sa); 847 fail_inval: 848 SFC_ASSERT(rc > 0); 849 return -rc; 850 } 851 852 static int 853 sfc_dev_set_mtu(struct rte_eth_dev *dev, uint16_t mtu) 854 { 855 struct sfc_adapter *sa = dev->data->dev_private; 856 size_t pdu = EFX_MAC_PDU(mtu); 857 size_t old_pdu; 858 int rc; 859 860 sfc_log_init(sa, "mtu=%u", mtu); 861 862 rc = EINVAL; 863 if (pdu < EFX_MAC_PDU_MIN) { 864 sfc_err(sa, "too small MTU %u (PDU size %u less than min %u)", 865 (unsigned int)mtu, (unsigned int)pdu, 866 EFX_MAC_PDU_MIN); 867 goto fail_inval; 868 } 869 if (pdu > EFX_MAC_PDU_MAX) { 870 sfc_err(sa, "too big MTU %u (PDU size %u greater than max %u)", 871 (unsigned int)mtu, (unsigned int)pdu, 872 EFX_MAC_PDU_MAX); 873 goto fail_inval; 874 } 875 876 sfc_adapter_lock(sa); 877 878 if (pdu != sa->port.pdu) { 879 if (sa->state == SFC_ADAPTER_STARTED) { 880 sfc_stop(sa); 881 882 old_pdu = sa->port.pdu; 883 sa->port.pdu = pdu; 884 rc = sfc_start(sa); 885 if (rc != 0) 886 goto fail_start; 887 } else { 888 sa->port.pdu = pdu; 889 } 890 } 891 892 /* 893 * The driver does not use it, but other PMDs update jumbo_frame 894 * flag and max_rx_pkt_len when MTU is set. 895 */ 896 if (mtu > ETHER_MAX_LEN) { 897 struct rte_eth_rxmode *rxmode = &dev->data->dev_conf.rxmode; 898 899 rxmode->offloads |= DEV_RX_OFFLOAD_JUMBO_FRAME; 900 rxmode->jumbo_frame = 1; 901 } 902 903 dev->data->dev_conf.rxmode.max_rx_pkt_len = sa->port.pdu; 904 905 sfc_adapter_unlock(sa); 906 907 sfc_log_init(sa, "done"); 908 return 0; 909 910 fail_start: 911 sa->port.pdu = old_pdu; 912 if (sfc_start(sa) != 0) 913 sfc_err(sa, "cannot start with neither new (%u) nor old (%u) " 914 "PDU max size - port is stopped", 915 (unsigned int)pdu, (unsigned int)old_pdu); 916 sfc_adapter_unlock(sa); 917 918 fail_inval: 919 sfc_log_init(sa, "failed %d", rc); 920 SFC_ASSERT(rc > 0); 921 return -rc; 922 } 923 static void 924 sfc_mac_addr_set(struct rte_eth_dev *dev, struct ether_addr *mac_addr) 925 { 926 struct sfc_adapter *sa = dev->data->dev_private; 927 const efx_nic_cfg_t *encp = efx_nic_cfg_get(sa->nic); 928 struct sfc_port *port = &sa->port; 929 int rc; 930 931 sfc_adapter_lock(sa); 932 933 /* 934 * Copy the address to the device private data so that 935 * it could be recalled in the case of adapter restart. 936 */ 937 ether_addr_copy(mac_addr, &port->default_mac_addr); 938 939 if (port->isolated) { 940 sfc_err(sa, "isolated mode is active on the port"); 941 sfc_err(sa, "will not set MAC address"); 942 goto unlock; 943 } 944 945 if (sa->state != SFC_ADAPTER_STARTED) { 946 sfc_info(sa, "the port is not started"); 947 sfc_info(sa, "the new MAC address will be set on port start"); 948 949 goto unlock; 950 } 951 952 if (encp->enc_allow_set_mac_with_installed_filters) { 953 rc = efx_mac_addr_set(sa->nic, mac_addr->addr_bytes); 954 if (rc != 0) { 955 sfc_err(sa, "cannot set MAC address (rc = %u)", rc); 956 goto unlock; 957 } 958 959 /* 960 * Changing the MAC address by means of MCDI request 961 * has no effect on received traffic, therefore 962 * we also need to update unicast filters 963 */ 964 rc = sfc_set_rx_mode(sa); 965 if (rc != 0) 966 sfc_err(sa, "cannot set filter (rc = %u)", rc); 967 } else { 968 sfc_warn(sa, "cannot set MAC address with filters installed"); 969 sfc_warn(sa, "adapter will be restarted to pick the new MAC"); 970 sfc_warn(sa, "(some traffic may be dropped)"); 971 972 /* 973 * Since setting MAC address with filters installed is not 974 * allowed on the adapter, the new MAC address will be set 975 * by means of adapter restart. sfc_start() shall retrieve 976 * the new address from the device private data and set it. 977 */ 978 sfc_stop(sa); 979 rc = sfc_start(sa); 980 if (rc != 0) 981 sfc_err(sa, "cannot restart adapter (rc = %u)", rc); 982 } 983 984 unlock: 985 /* 986 * In the case of failure sa->port->default_mac_addr does not 987 * need rollback since no error code is returned, and the upper 988 * API will anyway update the external MAC address storage. 989 * To be consistent with that new value it is better to keep 990 * the device private value the same. 991 */ 992 sfc_adapter_unlock(sa); 993 } 994 995 996 static int 997 sfc_set_mc_addr_list(struct rte_eth_dev *dev, struct ether_addr *mc_addr_set, 998 uint32_t nb_mc_addr) 999 { 1000 struct sfc_adapter *sa = dev->data->dev_private; 1001 struct sfc_port *port = &sa->port; 1002 uint8_t *mc_addrs = port->mcast_addrs; 1003 int rc; 1004 unsigned int i; 1005 1006 if (port->isolated) { 1007 sfc_err(sa, "isolated mode is active on the port"); 1008 sfc_err(sa, "will not set multicast address list"); 1009 return -ENOTSUP; 1010 } 1011 1012 if (mc_addrs == NULL) 1013 return -ENOBUFS; 1014 1015 if (nb_mc_addr > port->max_mcast_addrs) { 1016 sfc_err(sa, "too many multicast addresses: %u > %u", 1017 nb_mc_addr, port->max_mcast_addrs); 1018 return -EINVAL; 1019 } 1020 1021 for (i = 0; i < nb_mc_addr; ++i) { 1022 rte_memcpy(mc_addrs, mc_addr_set[i].addr_bytes, 1023 EFX_MAC_ADDR_LEN); 1024 mc_addrs += EFX_MAC_ADDR_LEN; 1025 } 1026 1027 port->nb_mcast_addrs = nb_mc_addr; 1028 1029 if (sa->state != SFC_ADAPTER_STARTED) 1030 return 0; 1031 1032 rc = efx_mac_multicast_list_set(sa->nic, port->mcast_addrs, 1033 port->nb_mcast_addrs); 1034 if (rc != 0) 1035 sfc_err(sa, "cannot set multicast address list (rc = %u)", rc); 1036 1037 SFC_ASSERT(rc > 0); 1038 return -rc; 1039 } 1040 1041 /* 1042 * The function is used by the secondary process as well. It must not 1043 * use any process-local pointers from the adapter data. 1044 */ 1045 static void 1046 sfc_rx_queue_info_get(struct rte_eth_dev *dev, uint16_t rx_queue_id, 1047 struct rte_eth_rxq_info *qinfo) 1048 { 1049 struct sfc_adapter *sa = dev->data->dev_private; 1050 struct sfc_rxq_info *rxq_info; 1051 struct sfc_rxq *rxq; 1052 1053 sfc_adapter_lock(sa); 1054 1055 SFC_ASSERT(rx_queue_id < sa->rxq_count); 1056 1057 rxq_info = &sa->rxq_info[rx_queue_id]; 1058 rxq = rxq_info->rxq; 1059 SFC_ASSERT(rxq != NULL); 1060 1061 qinfo->mp = rxq->refill_mb_pool; 1062 qinfo->conf.rx_free_thresh = rxq->refill_threshold; 1063 qinfo->conf.rx_drop_en = 1; 1064 qinfo->conf.rx_deferred_start = rxq_info->deferred_start; 1065 qinfo->conf.offloads = DEV_RX_OFFLOAD_IPV4_CKSUM | 1066 DEV_RX_OFFLOAD_UDP_CKSUM | 1067 DEV_RX_OFFLOAD_TCP_CKSUM; 1068 if (rxq_info->type_flags & EFX_RXQ_FLAG_SCATTER) { 1069 qinfo->conf.offloads |= DEV_RX_OFFLOAD_SCATTER; 1070 qinfo->scattered_rx = 1; 1071 } 1072 qinfo->nb_desc = rxq_info->entries; 1073 1074 sfc_adapter_unlock(sa); 1075 } 1076 1077 /* 1078 * The function is used by the secondary process as well. It must not 1079 * use any process-local pointers from the adapter data. 1080 */ 1081 static void 1082 sfc_tx_queue_info_get(struct rte_eth_dev *dev, uint16_t tx_queue_id, 1083 struct rte_eth_txq_info *qinfo) 1084 { 1085 struct sfc_adapter *sa = dev->data->dev_private; 1086 struct sfc_txq_info *txq_info; 1087 1088 sfc_adapter_lock(sa); 1089 1090 SFC_ASSERT(tx_queue_id < sa->txq_count); 1091 1092 txq_info = &sa->txq_info[tx_queue_id]; 1093 SFC_ASSERT(txq_info->txq != NULL); 1094 1095 memset(qinfo, 0, sizeof(*qinfo)); 1096 1097 qinfo->conf.txq_flags = txq_info->txq->flags; 1098 qinfo->conf.offloads = txq_info->txq->offloads; 1099 qinfo->conf.tx_free_thresh = txq_info->txq->free_thresh; 1100 qinfo->conf.tx_deferred_start = txq_info->deferred_start; 1101 qinfo->nb_desc = txq_info->entries; 1102 1103 sfc_adapter_unlock(sa); 1104 } 1105 1106 static uint32_t 1107 sfc_rx_queue_count(struct rte_eth_dev *dev, uint16_t rx_queue_id) 1108 { 1109 struct sfc_adapter *sa = dev->data->dev_private; 1110 1111 sfc_log_init(sa, "RxQ=%u", rx_queue_id); 1112 1113 return sfc_rx_qdesc_npending(sa, rx_queue_id); 1114 } 1115 1116 static int 1117 sfc_rx_descriptor_done(void *queue, uint16_t offset) 1118 { 1119 struct sfc_dp_rxq *dp_rxq = queue; 1120 1121 return sfc_rx_qdesc_done(dp_rxq, offset); 1122 } 1123 1124 static int 1125 sfc_rx_descriptor_status(void *queue, uint16_t offset) 1126 { 1127 struct sfc_dp_rxq *dp_rxq = queue; 1128 struct sfc_rxq *rxq = sfc_rxq_by_dp_rxq(dp_rxq); 1129 1130 return rxq->evq->sa->dp_rx->qdesc_status(dp_rxq, offset); 1131 } 1132 1133 static int 1134 sfc_tx_descriptor_status(void *queue, uint16_t offset) 1135 { 1136 struct sfc_dp_txq *dp_txq = queue; 1137 struct sfc_txq *txq = sfc_txq_by_dp_txq(dp_txq); 1138 1139 return txq->evq->sa->dp_tx->qdesc_status(dp_txq, offset); 1140 } 1141 1142 static int 1143 sfc_rx_queue_start(struct rte_eth_dev *dev, uint16_t rx_queue_id) 1144 { 1145 struct sfc_adapter *sa = dev->data->dev_private; 1146 int rc; 1147 1148 sfc_log_init(sa, "RxQ=%u", rx_queue_id); 1149 1150 sfc_adapter_lock(sa); 1151 1152 rc = EINVAL; 1153 if (sa->state != SFC_ADAPTER_STARTED) 1154 goto fail_not_started; 1155 1156 rc = sfc_rx_qstart(sa, rx_queue_id); 1157 if (rc != 0) 1158 goto fail_rx_qstart; 1159 1160 sa->rxq_info[rx_queue_id].deferred_started = B_TRUE; 1161 1162 sfc_adapter_unlock(sa); 1163 1164 return 0; 1165 1166 fail_rx_qstart: 1167 fail_not_started: 1168 sfc_adapter_unlock(sa); 1169 SFC_ASSERT(rc > 0); 1170 return -rc; 1171 } 1172 1173 static int 1174 sfc_rx_queue_stop(struct rte_eth_dev *dev, uint16_t rx_queue_id) 1175 { 1176 struct sfc_adapter *sa = dev->data->dev_private; 1177 1178 sfc_log_init(sa, "RxQ=%u", rx_queue_id); 1179 1180 sfc_adapter_lock(sa); 1181 sfc_rx_qstop(sa, rx_queue_id); 1182 1183 sa->rxq_info[rx_queue_id].deferred_started = B_FALSE; 1184 1185 sfc_adapter_unlock(sa); 1186 1187 return 0; 1188 } 1189 1190 static int 1191 sfc_tx_queue_start(struct rte_eth_dev *dev, uint16_t tx_queue_id) 1192 { 1193 struct sfc_adapter *sa = dev->data->dev_private; 1194 int rc; 1195 1196 sfc_log_init(sa, "TxQ = %u", tx_queue_id); 1197 1198 sfc_adapter_lock(sa); 1199 1200 rc = EINVAL; 1201 if (sa->state != SFC_ADAPTER_STARTED) 1202 goto fail_not_started; 1203 1204 rc = sfc_tx_qstart(sa, tx_queue_id); 1205 if (rc != 0) 1206 goto fail_tx_qstart; 1207 1208 sa->txq_info[tx_queue_id].deferred_started = B_TRUE; 1209 1210 sfc_adapter_unlock(sa); 1211 return 0; 1212 1213 fail_tx_qstart: 1214 1215 fail_not_started: 1216 sfc_adapter_unlock(sa); 1217 SFC_ASSERT(rc > 0); 1218 return -rc; 1219 } 1220 1221 static int 1222 sfc_tx_queue_stop(struct rte_eth_dev *dev, uint16_t tx_queue_id) 1223 { 1224 struct sfc_adapter *sa = dev->data->dev_private; 1225 1226 sfc_log_init(sa, "TxQ = %u", tx_queue_id); 1227 1228 sfc_adapter_lock(sa); 1229 1230 sfc_tx_qstop(sa, tx_queue_id); 1231 1232 sa->txq_info[tx_queue_id].deferred_started = B_FALSE; 1233 1234 sfc_adapter_unlock(sa); 1235 return 0; 1236 } 1237 1238 static efx_tunnel_protocol_t 1239 sfc_tunnel_rte_type_to_efx_udp_proto(enum rte_eth_tunnel_type rte_type) 1240 { 1241 switch (rte_type) { 1242 case RTE_TUNNEL_TYPE_VXLAN: 1243 return EFX_TUNNEL_PROTOCOL_VXLAN; 1244 case RTE_TUNNEL_TYPE_GENEVE: 1245 return EFX_TUNNEL_PROTOCOL_GENEVE; 1246 default: 1247 return EFX_TUNNEL_NPROTOS; 1248 } 1249 } 1250 1251 enum sfc_udp_tunnel_op_e { 1252 SFC_UDP_TUNNEL_ADD_PORT, 1253 SFC_UDP_TUNNEL_DEL_PORT, 1254 }; 1255 1256 static int 1257 sfc_dev_udp_tunnel_op(struct rte_eth_dev *dev, 1258 struct rte_eth_udp_tunnel *tunnel_udp, 1259 enum sfc_udp_tunnel_op_e op) 1260 { 1261 struct sfc_adapter *sa = dev->data->dev_private; 1262 efx_tunnel_protocol_t tunnel_proto; 1263 int rc; 1264 1265 sfc_log_init(sa, "%s udp_port=%u prot_type=%u", 1266 (op == SFC_UDP_TUNNEL_ADD_PORT) ? "add" : 1267 (op == SFC_UDP_TUNNEL_DEL_PORT) ? "delete" : "unknown", 1268 tunnel_udp->udp_port, tunnel_udp->prot_type); 1269 1270 tunnel_proto = 1271 sfc_tunnel_rte_type_to_efx_udp_proto(tunnel_udp->prot_type); 1272 if (tunnel_proto >= EFX_TUNNEL_NPROTOS) { 1273 rc = ENOTSUP; 1274 goto fail_bad_proto; 1275 } 1276 1277 sfc_adapter_lock(sa); 1278 1279 switch (op) { 1280 case SFC_UDP_TUNNEL_ADD_PORT: 1281 rc = efx_tunnel_config_udp_add(sa->nic, 1282 tunnel_udp->udp_port, 1283 tunnel_proto); 1284 break; 1285 case SFC_UDP_TUNNEL_DEL_PORT: 1286 rc = efx_tunnel_config_udp_remove(sa->nic, 1287 tunnel_udp->udp_port, 1288 tunnel_proto); 1289 break; 1290 default: 1291 rc = EINVAL; 1292 goto fail_bad_op; 1293 } 1294 1295 if (rc != 0) 1296 goto fail_op; 1297 1298 if (sa->state == SFC_ADAPTER_STARTED) { 1299 rc = efx_tunnel_reconfigure(sa->nic); 1300 if (rc == EAGAIN) { 1301 /* 1302 * Configuration is accepted by FW and MC reboot 1303 * is initiated to apply the changes. MC reboot 1304 * will be handled in a usual way (MC reboot 1305 * event on management event queue and adapter 1306 * restart). 1307 */ 1308 rc = 0; 1309 } else if (rc != 0) { 1310 goto fail_reconfigure; 1311 } 1312 } 1313 1314 sfc_adapter_unlock(sa); 1315 return 0; 1316 1317 fail_reconfigure: 1318 /* Remove/restore entry since the change makes the trouble */ 1319 switch (op) { 1320 case SFC_UDP_TUNNEL_ADD_PORT: 1321 (void)efx_tunnel_config_udp_remove(sa->nic, 1322 tunnel_udp->udp_port, 1323 tunnel_proto); 1324 break; 1325 case SFC_UDP_TUNNEL_DEL_PORT: 1326 (void)efx_tunnel_config_udp_add(sa->nic, 1327 tunnel_udp->udp_port, 1328 tunnel_proto); 1329 break; 1330 } 1331 1332 fail_op: 1333 fail_bad_op: 1334 sfc_adapter_unlock(sa); 1335 1336 fail_bad_proto: 1337 SFC_ASSERT(rc > 0); 1338 return -rc; 1339 } 1340 1341 static int 1342 sfc_dev_udp_tunnel_port_add(struct rte_eth_dev *dev, 1343 struct rte_eth_udp_tunnel *tunnel_udp) 1344 { 1345 return sfc_dev_udp_tunnel_op(dev, tunnel_udp, SFC_UDP_TUNNEL_ADD_PORT); 1346 } 1347 1348 static int 1349 sfc_dev_udp_tunnel_port_del(struct rte_eth_dev *dev, 1350 struct rte_eth_udp_tunnel *tunnel_udp) 1351 { 1352 return sfc_dev_udp_tunnel_op(dev, tunnel_udp, SFC_UDP_TUNNEL_DEL_PORT); 1353 } 1354 1355 #if EFSYS_OPT_RX_SCALE 1356 static int 1357 sfc_dev_rss_hash_conf_get(struct rte_eth_dev *dev, 1358 struct rte_eth_rss_conf *rss_conf) 1359 { 1360 struct sfc_adapter *sa = dev->data->dev_private; 1361 struct sfc_port *port = &sa->port; 1362 1363 if ((sa->rss_support != EFX_RX_SCALE_EXCLUSIVE) || port->isolated) 1364 return -ENOTSUP; 1365 1366 if (sa->rss_channels == 0) 1367 return -EINVAL; 1368 1369 sfc_adapter_lock(sa); 1370 1371 /* 1372 * Mapping of hash configuration between RTE and EFX is not one-to-one, 1373 * hence, conversion is done here to derive a correct set of ETH_RSS 1374 * flags which corresponds to the active EFX configuration stored 1375 * locally in 'sfc_adapter' and kept up-to-date 1376 */ 1377 rss_conf->rss_hf = sfc_efx_to_rte_hash_type(sa->rss_hash_types); 1378 rss_conf->rss_key_len = EFX_RSS_KEY_SIZE; 1379 if (rss_conf->rss_key != NULL) 1380 rte_memcpy(rss_conf->rss_key, sa->rss_key, EFX_RSS_KEY_SIZE); 1381 1382 sfc_adapter_unlock(sa); 1383 1384 return 0; 1385 } 1386 1387 static int 1388 sfc_dev_rss_hash_update(struct rte_eth_dev *dev, 1389 struct rte_eth_rss_conf *rss_conf) 1390 { 1391 struct sfc_adapter *sa = dev->data->dev_private; 1392 struct sfc_port *port = &sa->port; 1393 unsigned int efx_hash_types; 1394 int rc = 0; 1395 1396 if (port->isolated) 1397 return -ENOTSUP; 1398 1399 if (sa->rss_support != EFX_RX_SCALE_EXCLUSIVE) { 1400 sfc_err(sa, "RSS is not available"); 1401 return -ENOTSUP; 1402 } 1403 1404 if (sa->rss_channels == 0) { 1405 sfc_err(sa, "RSS is not configured"); 1406 return -EINVAL; 1407 } 1408 1409 if ((rss_conf->rss_key != NULL) && 1410 (rss_conf->rss_key_len != sizeof(sa->rss_key))) { 1411 sfc_err(sa, "RSS key size is wrong (should be %lu)", 1412 sizeof(sa->rss_key)); 1413 return -EINVAL; 1414 } 1415 1416 if ((rss_conf->rss_hf & ~SFC_RSS_OFFLOADS) != 0) { 1417 sfc_err(sa, "unsupported hash functions requested"); 1418 return -EINVAL; 1419 } 1420 1421 sfc_adapter_lock(sa); 1422 1423 efx_hash_types = sfc_rte_to_efx_hash_type(rss_conf->rss_hf); 1424 1425 rc = efx_rx_scale_mode_set(sa->nic, EFX_RSS_CONTEXT_DEFAULT, 1426 EFX_RX_HASHALG_TOEPLITZ, 1427 efx_hash_types, B_TRUE); 1428 if (rc != 0) 1429 goto fail_scale_mode_set; 1430 1431 if (rss_conf->rss_key != NULL) { 1432 if (sa->state == SFC_ADAPTER_STARTED) { 1433 rc = efx_rx_scale_key_set(sa->nic, 1434 EFX_RSS_CONTEXT_DEFAULT, 1435 rss_conf->rss_key, 1436 sizeof(sa->rss_key)); 1437 if (rc != 0) 1438 goto fail_scale_key_set; 1439 } 1440 1441 rte_memcpy(sa->rss_key, rss_conf->rss_key, sizeof(sa->rss_key)); 1442 } 1443 1444 sa->rss_hash_types = efx_hash_types; 1445 1446 sfc_adapter_unlock(sa); 1447 1448 return 0; 1449 1450 fail_scale_key_set: 1451 if (efx_rx_scale_mode_set(sa->nic, EFX_RSS_CONTEXT_DEFAULT, 1452 EFX_RX_HASHALG_TOEPLITZ, 1453 sa->rss_hash_types, B_TRUE) != 0) 1454 sfc_err(sa, "failed to restore RSS mode"); 1455 1456 fail_scale_mode_set: 1457 sfc_adapter_unlock(sa); 1458 return -rc; 1459 } 1460 1461 static int 1462 sfc_dev_rss_reta_query(struct rte_eth_dev *dev, 1463 struct rte_eth_rss_reta_entry64 *reta_conf, 1464 uint16_t reta_size) 1465 { 1466 struct sfc_adapter *sa = dev->data->dev_private; 1467 struct sfc_port *port = &sa->port; 1468 int entry; 1469 1470 if ((sa->rss_support != EFX_RX_SCALE_EXCLUSIVE) || port->isolated) 1471 return -ENOTSUP; 1472 1473 if (sa->rss_channels == 0) 1474 return -EINVAL; 1475 1476 if (reta_size != EFX_RSS_TBL_SIZE) 1477 return -EINVAL; 1478 1479 sfc_adapter_lock(sa); 1480 1481 for (entry = 0; entry < reta_size; entry++) { 1482 int grp = entry / RTE_RETA_GROUP_SIZE; 1483 int grp_idx = entry % RTE_RETA_GROUP_SIZE; 1484 1485 if ((reta_conf[grp].mask >> grp_idx) & 1) 1486 reta_conf[grp].reta[grp_idx] = sa->rss_tbl[entry]; 1487 } 1488 1489 sfc_adapter_unlock(sa); 1490 1491 return 0; 1492 } 1493 1494 static int 1495 sfc_dev_rss_reta_update(struct rte_eth_dev *dev, 1496 struct rte_eth_rss_reta_entry64 *reta_conf, 1497 uint16_t reta_size) 1498 { 1499 struct sfc_adapter *sa = dev->data->dev_private; 1500 struct sfc_port *port = &sa->port; 1501 unsigned int *rss_tbl_new; 1502 uint16_t entry; 1503 int rc = 0; 1504 1505 1506 if (port->isolated) 1507 return -ENOTSUP; 1508 1509 if (sa->rss_support != EFX_RX_SCALE_EXCLUSIVE) { 1510 sfc_err(sa, "RSS is not available"); 1511 return -ENOTSUP; 1512 } 1513 1514 if (sa->rss_channels == 0) { 1515 sfc_err(sa, "RSS is not configured"); 1516 return -EINVAL; 1517 } 1518 1519 if (reta_size != EFX_RSS_TBL_SIZE) { 1520 sfc_err(sa, "RETA size is wrong (should be %u)", 1521 EFX_RSS_TBL_SIZE); 1522 return -EINVAL; 1523 } 1524 1525 rss_tbl_new = rte_zmalloc("rss_tbl_new", sizeof(sa->rss_tbl), 0); 1526 if (rss_tbl_new == NULL) 1527 return -ENOMEM; 1528 1529 sfc_adapter_lock(sa); 1530 1531 rte_memcpy(rss_tbl_new, sa->rss_tbl, sizeof(sa->rss_tbl)); 1532 1533 for (entry = 0; entry < reta_size; entry++) { 1534 int grp_idx = entry % RTE_RETA_GROUP_SIZE; 1535 struct rte_eth_rss_reta_entry64 *grp; 1536 1537 grp = &reta_conf[entry / RTE_RETA_GROUP_SIZE]; 1538 1539 if (grp->mask & (1ull << grp_idx)) { 1540 if (grp->reta[grp_idx] >= sa->rss_channels) { 1541 rc = EINVAL; 1542 goto bad_reta_entry; 1543 } 1544 rss_tbl_new[entry] = grp->reta[grp_idx]; 1545 } 1546 } 1547 1548 if (sa->state == SFC_ADAPTER_STARTED) { 1549 rc = efx_rx_scale_tbl_set(sa->nic, EFX_RSS_CONTEXT_DEFAULT, 1550 rss_tbl_new, EFX_RSS_TBL_SIZE); 1551 if (rc != 0) 1552 goto fail_scale_tbl_set; 1553 } 1554 1555 rte_memcpy(sa->rss_tbl, rss_tbl_new, sizeof(sa->rss_tbl)); 1556 1557 fail_scale_tbl_set: 1558 bad_reta_entry: 1559 sfc_adapter_unlock(sa); 1560 1561 rte_free(rss_tbl_new); 1562 1563 SFC_ASSERT(rc >= 0); 1564 return -rc; 1565 } 1566 #endif 1567 1568 static int 1569 sfc_dev_filter_ctrl(struct rte_eth_dev *dev, enum rte_filter_type filter_type, 1570 enum rte_filter_op filter_op, 1571 void *arg) 1572 { 1573 struct sfc_adapter *sa = dev->data->dev_private; 1574 int rc = ENOTSUP; 1575 1576 sfc_log_init(sa, "entry"); 1577 1578 switch (filter_type) { 1579 case RTE_ETH_FILTER_NONE: 1580 sfc_err(sa, "Global filters configuration not supported"); 1581 break; 1582 case RTE_ETH_FILTER_MACVLAN: 1583 sfc_err(sa, "MACVLAN filters not supported"); 1584 break; 1585 case RTE_ETH_FILTER_ETHERTYPE: 1586 sfc_err(sa, "EtherType filters not supported"); 1587 break; 1588 case RTE_ETH_FILTER_FLEXIBLE: 1589 sfc_err(sa, "Flexible filters not supported"); 1590 break; 1591 case RTE_ETH_FILTER_SYN: 1592 sfc_err(sa, "SYN filters not supported"); 1593 break; 1594 case RTE_ETH_FILTER_NTUPLE: 1595 sfc_err(sa, "NTUPLE filters not supported"); 1596 break; 1597 case RTE_ETH_FILTER_TUNNEL: 1598 sfc_err(sa, "Tunnel filters not supported"); 1599 break; 1600 case RTE_ETH_FILTER_FDIR: 1601 sfc_err(sa, "Flow Director filters not supported"); 1602 break; 1603 case RTE_ETH_FILTER_HASH: 1604 sfc_err(sa, "Hash filters not supported"); 1605 break; 1606 case RTE_ETH_FILTER_GENERIC: 1607 if (filter_op != RTE_ETH_FILTER_GET) { 1608 rc = EINVAL; 1609 } else { 1610 *(const void **)arg = &sfc_flow_ops; 1611 rc = 0; 1612 } 1613 break; 1614 default: 1615 sfc_err(sa, "Unknown filter type %u", filter_type); 1616 break; 1617 } 1618 1619 sfc_log_init(sa, "exit: %d", -rc); 1620 SFC_ASSERT(rc >= 0); 1621 return -rc; 1622 } 1623 1624 static const struct eth_dev_ops sfc_eth_dev_ops = { 1625 .dev_configure = sfc_dev_configure, 1626 .dev_start = sfc_dev_start, 1627 .dev_stop = sfc_dev_stop, 1628 .dev_set_link_up = sfc_dev_set_link_up, 1629 .dev_set_link_down = sfc_dev_set_link_down, 1630 .dev_close = sfc_dev_close, 1631 .promiscuous_enable = sfc_dev_promisc_enable, 1632 .promiscuous_disable = sfc_dev_promisc_disable, 1633 .allmulticast_enable = sfc_dev_allmulti_enable, 1634 .allmulticast_disable = sfc_dev_allmulti_disable, 1635 .link_update = sfc_dev_link_update, 1636 .stats_get = sfc_stats_get, 1637 .stats_reset = sfc_stats_reset, 1638 .xstats_get = sfc_xstats_get, 1639 .xstats_reset = sfc_stats_reset, 1640 .xstats_get_names = sfc_xstats_get_names, 1641 .dev_infos_get = sfc_dev_infos_get, 1642 .dev_supported_ptypes_get = sfc_dev_supported_ptypes_get, 1643 .mtu_set = sfc_dev_set_mtu, 1644 .rx_queue_start = sfc_rx_queue_start, 1645 .rx_queue_stop = sfc_rx_queue_stop, 1646 .tx_queue_start = sfc_tx_queue_start, 1647 .tx_queue_stop = sfc_tx_queue_stop, 1648 .rx_queue_setup = sfc_rx_queue_setup, 1649 .rx_queue_release = sfc_rx_queue_release, 1650 .rx_queue_count = sfc_rx_queue_count, 1651 .rx_descriptor_done = sfc_rx_descriptor_done, 1652 .rx_descriptor_status = sfc_rx_descriptor_status, 1653 .tx_descriptor_status = sfc_tx_descriptor_status, 1654 .tx_queue_setup = sfc_tx_queue_setup, 1655 .tx_queue_release = sfc_tx_queue_release, 1656 .flow_ctrl_get = sfc_flow_ctrl_get, 1657 .flow_ctrl_set = sfc_flow_ctrl_set, 1658 .mac_addr_set = sfc_mac_addr_set, 1659 .udp_tunnel_port_add = sfc_dev_udp_tunnel_port_add, 1660 .udp_tunnel_port_del = sfc_dev_udp_tunnel_port_del, 1661 #if EFSYS_OPT_RX_SCALE 1662 .reta_update = sfc_dev_rss_reta_update, 1663 .reta_query = sfc_dev_rss_reta_query, 1664 .rss_hash_update = sfc_dev_rss_hash_update, 1665 .rss_hash_conf_get = sfc_dev_rss_hash_conf_get, 1666 #endif 1667 .filter_ctrl = sfc_dev_filter_ctrl, 1668 .set_mc_addr_list = sfc_set_mc_addr_list, 1669 .rxq_info_get = sfc_rx_queue_info_get, 1670 .txq_info_get = sfc_tx_queue_info_get, 1671 .fw_version_get = sfc_fw_version_get, 1672 .xstats_get_by_id = sfc_xstats_get_by_id, 1673 .xstats_get_names_by_id = sfc_xstats_get_names_by_id, 1674 }; 1675 1676 /** 1677 * Duplicate a string in potentially shared memory required for 1678 * multi-process support. 1679 * 1680 * strdup() allocates from process-local heap/memory. 1681 */ 1682 static char * 1683 sfc_strdup(const char *str) 1684 { 1685 size_t size; 1686 char *copy; 1687 1688 if (str == NULL) 1689 return NULL; 1690 1691 size = strlen(str) + 1; 1692 copy = rte_malloc(__func__, size, 0); 1693 if (copy != NULL) 1694 rte_memcpy(copy, str, size); 1695 1696 return copy; 1697 } 1698 1699 static int 1700 sfc_eth_dev_set_ops(struct rte_eth_dev *dev) 1701 { 1702 struct sfc_adapter *sa = dev->data->dev_private; 1703 unsigned int avail_caps = 0; 1704 const char *rx_name = NULL; 1705 const char *tx_name = NULL; 1706 int rc; 1707 1708 switch (sa->family) { 1709 case EFX_FAMILY_HUNTINGTON: 1710 case EFX_FAMILY_MEDFORD: 1711 avail_caps |= SFC_DP_HW_FW_CAP_EF10; 1712 break; 1713 default: 1714 break; 1715 } 1716 1717 rc = sfc_kvargs_process(sa, SFC_KVARG_RX_DATAPATH, 1718 sfc_kvarg_string_handler, &rx_name); 1719 if (rc != 0) 1720 goto fail_kvarg_rx_datapath; 1721 1722 if (rx_name != NULL) { 1723 sa->dp_rx = sfc_dp_find_rx_by_name(&sfc_dp_head, rx_name); 1724 if (sa->dp_rx == NULL) { 1725 sfc_err(sa, "Rx datapath %s not found", rx_name); 1726 rc = ENOENT; 1727 goto fail_dp_rx; 1728 } 1729 if (!sfc_dp_match_hw_fw_caps(&sa->dp_rx->dp, avail_caps)) { 1730 sfc_err(sa, 1731 "Insufficient Hw/FW capabilities to use Rx datapath %s", 1732 rx_name); 1733 rc = EINVAL; 1734 goto fail_dp_rx_caps; 1735 } 1736 } else { 1737 sa->dp_rx = sfc_dp_find_rx_by_caps(&sfc_dp_head, avail_caps); 1738 if (sa->dp_rx == NULL) { 1739 sfc_err(sa, "Rx datapath by caps %#x not found", 1740 avail_caps); 1741 rc = ENOENT; 1742 goto fail_dp_rx; 1743 } 1744 } 1745 1746 sa->dp_rx_name = sfc_strdup(sa->dp_rx->dp.name); 1747 if (sa->dp_rx_name == NULL) { 1748 rc = ENOMEM; 1749 goto fail_dp_rx_name; 1750 } 1751 1752 sfc_info(sa, "use %s Rx datapath", sa->dp_rx_name); 1753 1754 dev->rx_pkt_burst = sa->dp_rx->pkt_burst; 1755 1756 rc = sfc_kvargs_process(sa, SFC_KVARG_TX_DATAPATH, 1757 sfc_kvarg_string_handler, &tx_name); 1758 if (rc != 0) 1759 goto fail_kvarg_tx_datapath; 1760 1761 if (tx_name != NULL) { 1762 sa->dp_tx = sfc_dp_find_tx_by_name(&sfc_dp_head, tx_name); 1763 if (sa->dp_tx == NULL) { 1764 sfc_err(sa, "Tx datapath %s not found", tx_name); 1765 rc = ENOENT; 1766 goto fail_dp_tx; 1767 } 1768 if (!sfc_dp_match_hw_fw_caps(&sa->dp_tx->dp, avail_caps)) { 1769 sfc_err(sa, 1770 "Insufficient Hw/FW capabilities to use Tx datapath %s", 1771 tx_name); 1772 rc = EINVAL; 1773 goto fail_dp_tx_caps; 1774 } 1775 } else { 1776 sa->dp_tx = sfc_dp_find_tx_by_caps(&sfc_dp_head, avail_caps); 1777 if (sa->dp_tx == NULL) { 1778 sfc_err(sa, "Tx datapath by caps %#x not found", 1779 avail_caps); 1780 rc = ENOENT; 1781 goto fail_dp_tx; 1782 } 1783 } 1784 1785 sa->dp_tx_name = sfc_strdup(sa->dp_tx->dp.name); 1786 if (sa->dp_tx_name == NULL) { 1787 rc = ENOMEM; 1788 goto fail_dp_tx_name; 1789 } 1790 1791 sfc_info(sa, "use %s Tx datapath", sa->dp_tx_name); 1792 1793 dev->tx_pkt_burst = sa->dp_tx->pkt_burst; 1794 1795 dev->dev_ops = &sfc_eth_dev_ops; 1796 1797 return 0; 1798 1799 fail_dp_tx_name: 1800 fail_dp_tx_caps: 1801 sa->dp_tx = NULL; 1802 1803 fail_dp_tx: 1804 fail_kvarg_tx_datapath: 1805 rte_free(sa->dp_rx_name); 1806 sa->dp_rx_name = NULL; 1807 1808 fail_dp_rx_name: 1809 fail_dp_rx_caps: 1810 sa->dp_rx = NULL; 1811 1812 fail_dp_rx: 1813 fail_kvarg_rx_datapath: 1814 return rc; 1815 } 1816 1817 static void 1818 sfc_eth_dev_clear_ops(struct rte_eth_dev *dev) 1819 { 1820 struct sfc_adapter *sa = dev->data->dev_private; 1821 1822 dev->dev_ops = NULL; 1823 dev->rx_pkt_burst = NULL; 1824 dev->tx_pkt_burst = NULL; 1825 1826 rte_free(sa->dp_tx_name); 1827 sa->dp_tx_name = NULL; 1828 sa->dp_tx = NULL; 1829 1830 rte_free(sa->dp_rx_name); 1831 sa->dp_rx_name = NULL; 1832 sa->dp_rx = NULL; 1833 } 1834 1835 static const struct eth_dev_ops sfc_eth_dev_secondary_ops = { 1836 .rxq_info_get = sfc_rx_queue_info_get, 1837 .txq_info_get = sfc_tx_queue_info_get, 1838 }; 1839 1840 static int 1841 sfc_eth_dev_secondary_set_ops(struct rte_eth_dev *dev) 1842 { 1843 /* 1844 * Device private data has really many process-local pointers. 1845 * Below code should be extremely careful to use data located 1846 * in shared memory only. 1847 */ 1848 struct sfc_adapter *sa = dev->data->dev_private; 1849 const struct sfc_dp_rx *dp_rx; 1850 const struct sfc_dp_tx *dp_tx; 1851 int rc; 1852 1853 dp_rx = sfc_dp_find_rx_by_name(&sfc_dp_head, sa->dp_rx_name); 1854 if (dp_rx == NULL) { 1855 sfc_err(sa, "cannot find %s Rx datapath", sa->dp_tx_name); 1856 rc = ENOENT; 1857 goto fail_dp_rx; 1858 } 1859 if (~dp_rx->features & SFC_DP_RX_FEAT_MULTI_PROCESS) { 1860 sfc_err(sa, "%s Rx datapath does not support multi-process", 1861 sa->dp_tx_name); 1862 rc = EINVAL; 1863 goto fail_dp_rx_multi_process; 1864 } 1865 1866 dp_tx = sfc_dp_find_tx_by_name(&sfc_dp_head, sa->dp_tx_name); 1867 if (dp_tx == NULL) { 1868 sfc_err(sa, "cannot find %s Tx datapath", sa->dp_tx_name); 1869 rc = ENOENT; 1870 goto fail_dp_tx; 1871 } 1872 if (~dp_tx->features & SFC_DP_TX_FEAT_MULTI_PROCESS) { 1873 sfc_err(sa, "%s Tx datapath does not support multi-process", 1874 sa->dp_tx_name); 1875 rc = EINVAL; 1876 goto fail_dp_tx_multi_process; 1877 } 1878 1879 dev->rx_pkt_burst = dp_rx->pkt_burst; 1880 dev->tx_pkt_burst = dp_tx->pkt_burst; 1881 dev->dev_ops = &sfc_eth_dev_secondary_ops; 1882 1883 return 0; 1884 1885 fail_dp_tx_multi_process: 1886 fail_dp_tx: 1887 fail_dp_rx_multi_process: 1888 fail_dp_rx: 1889 return rc; 1890 } 1891 1892 static void 1893 sfc_eth_dev_secondary_clear_ops(struct rte_eth_dev *dev) 1894 { 1895 dev->dev_ops = NULL; 1896 dev->tx_pkt_burst = NULL; 1897 dev->rx_pkt_burst = NULL; 1898 } 1899 1900 static void 1901 sfc_register_dp(void) 1902 { 1903 /* Register once */ 1904 if (TAILQ_EMPTY(&sfc_dp_head)) { 1905 /* Prefer EF10 datapath */ 1906 sfc_dp_register(&sfc_dp_head, &sfc_ef10_rx.dp); 1907 sfc_dp_register(&sfc_dp_head, &sfc_efx_rx.dp); 1908 1909 sfc_dp_register(&sfc_dp_head, &sfc_ef10_tx.dp); 1910 sfc_dp_register(&sfc_dp_head, &sfc_efx_tx.dp); 1911 sfc_dp_register(&sfc_dp_head, &sfc_ef10_simple_tx.dp); 1912 } 1913 } 1914 1915 static int 1916 sfc_eth_dev_init(struct rte_eth_dev *dev) 1917 { 1918 struct sfc_adapter *sa = dev->data->dev_private; 1919 struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev); 1920 int rc; 1921 const efx_nic_cfg_t *encp; 1922 const struct ether_addr *from; 1923 1924 sfc_register_dp(); 1925 1926 if (rte_eal_process_type() != RTE_PROC_PRIMARY) 1927 return -sfc_eth_dev_secondary_set_ops(dev); 1928 1929 /* Required for logging */ 1930 sa->pci_addr = pci_dev->addr; 1931 sa->port_id = dev->data->port_id; 1932 1933 sa->eth_dev = dev; 1934 1935 /* Copy PCI device info to the dev->data */ 1936 rte_eth_copy_pci_info(dev, pci_dev); 1937 1938 rc = sfc_kvargs_parse(sa); 1939 if (rc != 0) 1940 goto fail_kvargs_parse; 1941 1942 rc = sfc_kvargs_process(sa, SFC_KVARG_DEBUG_INIT, 1943 sfc_kvarg_bool_handler, &sa->debug_init); 1944 if (rc != 0) 1945 goto fail_kvarg_debug_init; 1946 1947 sfc_log_init(sa, "entry"); 1948 1949 dev->data->mac_addrs = rte_zmalloc("sfc", ETHER_ADDR_LEN, 0); 1950 if (dev->data->mac_addrs == NULL) { 1951 rc = ENOMEM; 1952 goto fail_mac_addrs; 1953 } 1954 1955 sfc_adapter_lock_init(sa); 1956 sfc_adapter_lock(sa); 1957 1958 sfc_log_init(sa, "probing"); 1959 rc = sfc_probe(sa); 1960 if (rc != 0) 1961 goto fail_probe; 1962 1963 sfc_log_init(sa, "set device ops"); 1964 rc = sfc_eth_dev_set_ops(dev); 1965 if (rc != 0) 1966 goto fail_set_ops; 1967 1968 sfc_log_init(sa, "attaching"); 1969 rc = sfc_attach(sa); 1970 if (rc != 0) 1971 goto fail_attach; 1972 1973 encp = efx_nic_cfg_get(sa->nic); 1974 1975 /* 1976 * The arguments are really reverse order in comparison to 1977 * Linux kernel. Copy from NIC config to Ethernet device data. 1978 */ 1979 from = (const struct ether_addr *)(encp->enc_mac_addr); 1980 ether_addr_copy(from, &dev->data->mac_addrs[0]); 1981 1982 sfc_adapter_unlock(sa); 1983 1984 sfc_log_init(sa, "done"); 1985 return 0; 1986 1987 fail_attach: 1988 sfc_eth_dev_clear_ops(dev); 1989 1990 fail_set_ops: 1991 sfc_unprobe(sa); 1992 1993 fail_probe: 1994 sfc_adapter_unlock(sa); 1995 sfc_adapter_lock_fini(sa); 1996 rte_free(dev->data->mac_addrs); 1997 dev->data->mac_addrs = NULL; 1998 1999 fail_mac_addrs: 2000 fail_kvarg_debug_init: 2001 sfc_kvargs_cleanup(sa); 2002 2003 fail_kvargs_parse: 2004 sfc_log_init(sa, "failed %d", rc); 2005 SFC_ASSERT(rc > 0); 2006 return -rc; 2007 } 2008 2009 static int 2010 sfc_eth_dev_uninit(struct rte_eth_dev *dev) 2011 { 2012 struct sfc_adapter *sa; 2013 2014 if (rte_eal_process_type() != RTE_PROC_PRIMARY) { 2015 sfc_eth_dev_secondary_clear_ops(dev); 2016 return 0; 2017 } 2018 2019 sa = dev->data->dev_private; 2020 sfc_log_init(sa, "entry"); 2021 2022 sfc_adapter_lock(sa); 2023 2024 sfc_eth_dev_clear_ops(dev); 2025 2026 sfc_detach(sa); 2027 sfc_unprobe(sa); 2028 2029 rte_free(dev->data->mac_addrs); 2030 dev->data->mac_addrs = NULL; 2031 2032 sfc_kvargs_cleanup(sa); 2033 2034 sfc_adapter_unlock(sa); 2035 sfc_adapter_lock_fini(sa); 2036 2037 sfc_log_init(sa, "done"); 2038 2039 /* Required for logging, so cleanup last */ 2040 sa->eth_dev = NULL; 2041 return 0; 2042 } 2043 2044 static const struct rte_pci_id pci_id_sfc_efx_map[] = { 2045 { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_FARMINGDALE) }, 2046 { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_FARMINGDALE_VF) }, 2047 { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_GREENPORT) }, 2048 { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_GREENPORT_VF) }, 2049 { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_MEDFORD) }, 2050 { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_MEDFORD_VF) }, 2051 { .vendor_id = 0 /* sentinel */ } 2052 }; 2053 2054 static int sfc_eth_dev_pci_probe(struct rte_pci_driver *pci_drv __rte_unused, 2055 struct rte_pci_device *pci_dev) 2056 { 2057 return rte_eth_dev_pci_generic_probe(pci_dev, 2058 sizeof(struct sfc_adapter), sfc_eth_dev_init); 2059 } 2060 2061 static int sfc_eth_dev_pci_remove(struct rte_pci_device *pci_dev) 2062 { 2063 return rte_eth_dev_pci_generic_remove(pci_dev, sfc_eth_dev_uninit); 2064 } 2065 2066 static struct rte_pci_driver sfc_efx_pmd = { 2067 .id_table = pci_id_sfc_efx_map, 2068 .drv_flags = 2069 RTE_PCI_DRV_INTR_LSC | 2070 RTE_PCI_DRV_NEED_MAPPING, 2071 .probe = sfc_eth_dev_pci_probe, 2072 .remove = sfc_eth_dev_pci_remove, 2073 }; 2074 2075 RTE_PMD_REGISTER_PCI(net_sfc_efx, sfc_efx_pmd); 2076 RTE_PMD_REGISTER_PCI_TABLE(net_sfc_efx, pci_id_sfc_efx_map); 2077 RTE_PMD_REGISTER_KMOD_DEP(net_sfc_efx, "* igb_uio | uio_pci_generic | vfio-pci"); 2078 RTE_PMD_REGISTER_PARAM_STRING(net_sfc_efx, 2079 SFC_KVARG_RX_DATAPATH "=" SFC_KVARG_VALUES_RX_DATAPATH " " 2080 SFC_KVARG_TX_DATAPATH "=" SFC_KVARG_VALUES_TX_DATAPATH " " 2081 SFC_KVARG_PERF_PROFILE "=" SFC_KVARG_VALUES_PERF_PROFILE " " 2082 SFC_KVARG_STATS_UPDATE_PERIOD_MS "=<long> " 2083 SFC_KVARG_MCDI_LOGGING "=" SFC_KVARG_VALUES_BOOL " " 2084 SFC_KVARG_DEBUG_INIT "=" SFC_KVARG_VALUES_BOOL); 2085