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 87 sfc_log_init(sa, "entry"); 88 89 dev_info->pci_dev = RTE_ETH_DEV_TO_PCI(dev); 90 dev_info->max_rx_pktlen = EFX_MAC_PDU_MAX; 91 92 /* Autonegotiation may be disabled */ 93 dev_info->speed_capa = ETH_LINK_SPEED_FIXED; 94 if (sa->port.phy_adv_cap_mask & EFX_PHY_CAP_1000FDX) 95 dev_info->speed_capa |= ETH_LINK_SPEED_1G; 96 if (sa->port.phy_adv_cap_mask & EFX_PHY_CAP_10000FDX) 97 dev_info->speed_capa |= ETH_LINK_SPEED_10G; 98 if (sa->port.phy_adv_cap_mask & EFX_PHY_CAP_40000FDX) 99 dev_info->speed_capa |= ETH_LINK_SPEED_40G; 100 101 dev_info->max_rx_queues = sa->rxq_max; 102 dev_info->max_tx_queues = sa->txq_max; 103 104 /* By default packets are dropped if no descriptors are available */ 105 dev_info->default_rxconf.rx_drop_en = 1; 106 107 dev_info->rx_offload_capa = 108 DEV_RX_OFFLOAD_IPV4_CKSUM | 109 DEV_RX_OFFLOAD_UDP_CKSUM | 110 DEV_RX_OFFLOAD_TCP_CKSUM; 111 112 if ((encp->enc_tunnel_encapsulations_supported != 0) && 113 (sa->dp_rx->features & SFC_DP_RX_FEAT_TUNNELS)) 114 dev_info->rx_offload_capa |= DEV_RX_OFFLOAD_OUTER_IPV4_CKSUM; 115 116 dev_info->tx_offload_capa = 117 DEV_TX_OFFLOAD_IPV4_CKSUM | 118 DEV_TX_OFFLOAD_UDP_CKSUM | 119 DEV_TX_OFFLOAD_TCP_CKSUM; 120 121 if (encp->enc_tunnel_encapsulations_supported != 0) 122 dev_info->tx_offload_capa |= DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM; 123 124 dev_info->default_txconf.txq_flags = ETH_TXQ_FLAGS_NOXSUMSCTP; 125 if ((~sa->dp_tx->features & SFC_DP_TX_FEAT_VLAN_INSERT) || 126 !encp->enc_hw_tx_insert_vlan_enabled) 127 dev_info->default_txconf.txq_flags |= ETH_TXQ_FLAGS_NOVLANOFFL; 128 else 129 dev_info->tx_offload_capa |= DEV_TX_OFFLOAD_VLAN_INSERT; 130 131 if (~sa->dp_tx->features & SFC_DP_TX_FEAT_MULTI_SEG) 132 dev_info->default_txconf.txq_flags |= ETH_TXQ_FLAGS_NOMULTSEGS; 133 134 if (~sa->dp_tx->features & SFC_DP_TX_FEAT_MULTI_POOL) 135 dev_info->default_txconf.txq_flags |= ETH_TXQ_FLAGS_NOMULTMEMP; 136 137 if (~sa->dp_tx->features & SFC_DP_TX_FEAT_REFCNT) 138 dev_info->default_txconf.txq_flags |= ETH_TXQ_FLAGS_NOREFCOUNT; 139 140 #if EFSYS_OPT_RX_SCALE 141 if (sa->rss_support != EFX_RX_SCALE_UNAVAILABLE) { 142 dev_info->reta_size = EFX_RSS_TBL_SIZE; 143 dev_info->hash_key_size = EFX_RSS_KEY_SIZE; 144 dev_info->flow_type_rss_offloads = SFC_RSS_OFFLOADS; 145 } 146 #endif 147 148 if (sa->tso) 149 dev_info->tx_offload_capa |= DEV_TX_OFFLOAD_TCP_TSO; 150 151 /* Initialize to hardware limits */ 152 dev_info->rx_desc_lim.nb_max = EFX_RXQ_MAXNDESCS; 153 dev_info->rx_desc_lim.nb_min = EFX_RXQ_MINNDESCS; 154 /* The RXQ hardware requires that the descriptor count is a power 155 * of 2, but rx_desc_lim cannot properly describe that constraint. 156 */ 157 dev_info->rx_desc_lim.nb_align = EFX_RXQ_MINNDESCS; 158 159 /* Initialize to hardware limits */ 160 dev_info->tx_desc_lim.nb_max = sa->txq_max_entries; 161 dev_info->tx_desc_lim.nb_min = EFX_TXQ_MINNDESCS; 162 /* 163 * The TXQ hardware requires that the descriptor count is a power 164 * of 2, but tx_desc_lim cannot properly describe that constraint 165 */ 166 dev_info->tx_desc_lim.nb_align = EFX_TXQ_MINNDESCS; 167 168 if (sa->dp_rx->get_dev_info != NULL) 169 sa->dp_rx->get_dev_info(dev_info); 170 if (sa->dp_tx->get_dev_info != NULL) 171 sa->dp_tx->get_dev_info(dev_info); 172 } 173 174 static const uint32_t * 175 sfc_dev_supported_ptypes_get(struct rte_eth_dev *dev) 176 { 177 struct sfc_adapter *sa = dev->data->dev_private; 178 const efx_nic_cfg_t *encp = efx_nic_cfg_get(sa->nic); 179 uint32_t tunnel_encaps = encp->enc_tunnel_encapsulations_supported; 180 181 return sa->dp_rx->supported_ptypes_get(tunnel_encaps); 182 } 183 184 static int 185 sfc_dev_configure(struct rte_eth_dev *dev) 186 { 187 struct rte_eth_dev_data *dev_data = dev->data; 188 struct sfc_adapter *sa = dev_data->dev_private; 189 int rc; 190 191 sfc_log_init(sa, "entry n_rxq=%u n_txq=%u", 192 dev_data->nb_rx_queues, dev_data->nb_tx_queues); 193 194 sfc_adapter_lock(sa); 195 switch (sa->state) { 196 case SFC_ADAPTER_CONFIGURED: 197 /* FALLTHROUGH */ 198 case SFC_ADAPTER_INITIALIZED: 199 rc = sfc_configure(sa); 200 break; 201 default: 202 sfc_err(sa, "unexpected adapter state %u to configure", 203 sa->state); 204 rc = EINVAL; 205 break; 206 } 207 sfc_adapter_unlock(sa); 208 209 sfc_log_init(sa, "done %d", rc); 210 SFC_ASSERT(rc >= 0); 211 return -rc; 212 } 213 214 static int 215 sfc_dev_start(struct rte_eth_dev *dev) 216 { 217 struct sfc_adapter *sa = dev->data->dev_private; 218 int rc; 219 220 sfc_log_init(sa, "entry"); 221 222 sfc_adapter_lock(sa); 223 rc = sfc_start(sa); 224 sfc_adapter_unlock(sa); 225 226 sfc_log_init(sa, "done %d", rc); 227 SFC_ASSERT(rc >= 0); 228 return -rc; 229 } 230 231 static int 232 sfc_dev_link_update(struct rte_eth_dev *dev, int wait_to_complete) 233 { 234 struct sfc_adapter *sa = dev->data->dev_private; 235 struct rte_eth_link *dev_link = &dev->data->dev_link; 236 struct rte_eth_link old_link; 237 struct rte_eth_link current_link; 238 239 sfc_log_init(sa, "entry"); 240 241 retry: 242 EFX_STATIC_ASSERT(sizeof(*dev_link) == sizeof(rte_atomic64_t)); 243 *(int64_t *)&old_link = rte_atomic64_read((rte_atomic64_t *)dev_link); 244 245 if (sa->state != SFC_ADAPTER_STARTED) { 246 sfc_port_link_mode_to_info(EFX_LINK_UNKNOWN, ¤t_link); 247 if (!rte_atomic64_cmpset((volatile uint64_t *)dev_link, 248 *(uint64_t *)&old_link, 249 *(uint64_t *)¤t_link)) 250 goto retry; 251 } else if (wait_to_complete) { 252 efx_link_mode_t link_mode; 253 254 if (efx_port_poll(sa->nic, &link_mode) != 0) 255 link_mode = EFX_LINK_UNKNOWN; 256 sfc_port_link_mode_to_info(link_mode, ¤t_link); 257 258 if (!rte_atomic64_cmpset((volatile uint64_t *)dev_link, 259 *(uint64_t *)&old_link, 260 *(uint64_t *)¤t_link)) 261 goto retry; 262 } else { 263 sfc_ev_mgmt_qpoll(sa); 264 *(int64_t *)¤t_link = 265 rte_atomic64_read((rte_atomic64_t *)dev_link); 266 } 267 268 if (old_link.link_status != current_link.link_status) 269 sfc_info(sa, "Link status is %s", 270 current_link.link_status ? "UP" : "DOWN"); 271 272 return old_link.link_status == current_link.link_status ? 0 : -1; 273 } 274 275 static void 276 sfc_dev_stop(struct rte_eth_dev *dev) 277 { 278 struct sfc_adapter *sa = dev->data->dev_private; 279 280 sfc_log_init(sa, "entry"); 281 282 sfc_adapter_lock(sa); 283 sfc_stop(sa); 284 sfc_adapter_unlock(sa); 285 286 sfc_log_init(sa, "done"); 287 } 288 289 static int 290 sfc_dev_set_link_up(struct rte_eth_dev *dev) 291 { 292 struct sfc_adapter *sa = dev->data->dev_private; 293 int rc; 294 295 sfc_log_init(sa, "entry"); 296 297 sfc_adapter_lock(sa); 298 rc = sfc_start(sa); 299 sfc_adapter_unlock(sa); 300 301 SFC_ASSERT(rc >= 0); 302 return -rc; 303 } 304 305 static int 306 sfc_dev_set_link_down(struct rte_eth_dev *dev) 307 { 308 struct sfc_adapter *sa = dev->data->dev_private; 309 310 sfc_log_init(sa, "entry"); 311 312 sfc_adapter_lock(sa); 313 sfc_stop(sa); 314 sfc_adapter_unlock(sa); 315 316 return 0; 317 } 318 319 static void 320 sfc_dev_close(struct rte_eth_dev *dev) 321 { 322 struct sfc_adapter *sa = dev->data->dev_private; 323 324 sfc_log_init(sa, "entry"); 325 326 sfc_adapter_lock(sa); 327 switch (sa->state) { 328 case SFC_ADAPTER_STARTED: 329 sfc_stop(sa); 330 SFC_ASSERT(sa->state == SFC_ADAPTER_CONFIGURED); 331 /* FALLTHROUGH */ 332 case SFC_ADAPTER_CONFIGURED: 333 sfc_close(sa); 334 SFC_ASSERT(sa->state == SFC_ADAPTER_INITIALIZED); 335 /* FALLTHROUGH */ 336 case SFC_ADAPTER_INITIALIZED: 337 break; 338 default: 339 sfc_err(sa, "unexpected adapter state %u on close", sa->state); 340 break; 341 } 342 sfc_adapter_unlock(sa); 343 344 sfc_log_init(sa, "done"); 345 } 346 347 static void 348 sfc_dev_filter_set(struct rte_eth_dev *dev, enum sfc_dev_filter_mode mode, 349 boolean_t enabled) 350 { 351 struct sfc_port *port; 352 boolean_t *toggle; 353 struct sfc_adapter *sa = dev->data->dev_private; 354 boolean_t allmulti = (mode == SFC_DEV_FILTER_MODE_ALLMULTI); 355 const char *desc = (allmulti) ? "all-multi" : "promiscuous"; 356 357 sfc_adapter_lock(sa); 358 359 port = &sa->port; 360 toggle = (allmulti) ? (&port->allmulti) : (&port->promisc); 361 362 if (*toggle != enabled) { 363 *toggle = enabled; 364 365 if (port->isolated) { 366 sfc_warn(sa, "isolated mode is active on the port"); 367 sfc_warn(sa, "the change is to be applied on the next " 368 "start provided that isolated mode is " 369 "disabled prior the next start"); 370 } else if ((sa->state == SFC_ADAPTER_STARTED) && 371 (sfc_set_rx_mode(sa) != 0)) { 372 *toggle = !(enabled); 373 sfc_warn(sa, "Failed to %s %s mode", 374 ((enabled) ? "enable" : "disable"), desc); 375 } 376 } 377 378 sfc_adapter_unlock(sa); 379 } 380 381 static void 382 sfc_dev_promisc_enable(struct rte_eth_dev *dev) 383 { 384 sfc_dev_filter_set(dev, SFC_DEV_FILTER_MODE_PROMISC, B_TRUE); 385 } 386 387 static void 388 sfc_dev_promisc_disable(struct rte_eth_dev *dev) 389 { 390 sfc_dev_filter_set(dev, SFC_DEV_FILTER_MODE_PROMISC, B_FALSE); 391 } 392 393 static void 394 sfc_dev_allmulti_enable(struct rte_eth_dev *dev) 395 { 396 sfc_dev_filter_set(dev, SFC_DEV_FILTER_MODE_ALLMULTI, B_TRUE); 397 } 398 399 static void 400 sfc_dev_allmulti_disable(struct rte_eth_dev *dev) 401 { 402 sfc_dev_filter_set(dev, SFC_DEV_FILTER_MODE_ALLMULTI, B_FALSE); 403 } 404 405 static int 406 sfc_rx_queue_setup(struct rte_eth_dev *dev, uint16_t rx_queue_id, 407 uint16_t nb_rx_desc, unsigned int socket_id, 408 const struct rte_eth_rxconf *rx_conf, 409 struct rte_mempool *mb_pool) 410 { 411 struct sfc_adapter *sa = dev->data->dev_private; 412 int rc; 413 414 sfc_log_init(sa, "RxQ=%u nb_rx_desc=%u socket_id=%u", 415 rx_queue_id, nb_rx_desc, socket_id); 416 417 sfc_adapter_lock(sa); 418 419 rc = sfc_rx_qinit(sa, rx_queue_id, nb_rx_desc, socket_id, 420 rx_conf, mb_pool); 421 if (rc != 0) 422 goto fail_rx_qinit; 423 424 dev->data->rx_queues[rx_queue_id] = sa->rxq_info[rx_queue_id].rxq->dp; 425 426 sfc_adapter_unlock(sa); 427 428 return 0; 429 430 fail_rx_qinit: 431 sfc_adapter_unlock(sa); 432 SFC_ASSERT(rc > 0); 433 return -rc; 434 } 435 436 static void 437 sfc_rx_queue_release(void *queue) 438 { 439 struct sfc_dp_rxq *dp_rxq = queue; 440 struct sfc_rxq *rxq; 441 struct sfc_adapter *sa; 442 unsigned int sw_index; 443 444 if (dp_rxq == NULL) 445 return; 446 447 rxq = sfc_rxq_by_dp_rxq(dp_rxq); 448 sa = rxq->evq->sa; 449 sfc_adapter_lock(sa); 450 451 sw_index = sfc_rxq_sw_index(rxq); 452 453 sfc_log_init(sa, "RxQ=%u", sw_index); 454 455 sa->eth_dev->data->rx_queues[sw_index] = NULL; 456 457 sfc_rx_qfini(sa, sw_index); 458 459 sfc_adapter_unlock(sa); 460 } 461 462 static int 463 sfc_tx_queue_setup(struct rte_eth_dev *dev, uint16_t tx_queue_id, 464 uint16_t nb_tx_desc, unsigned int socket_id, 465 const struct rte_eth_txconf *tx_conf) 466 { 467 struct sfc_adapter *sa = dev->data->dev_private; 468 int rc; 469 470 sfc_log_init(sa, "TxQ = %u, nb_tx_desc = %u, socket_id = %u", 471 tx_queue_id, nb_tx_desc, socket_id); 472 473 sfc_adapter_lock(sa); 474 475 rc = sfc_tx_qinit(sa, tx_queue_id, nb_tx_desc, socket_id, tx_conf); 476 if (rc != 0) 477 goto fail_tx_qinit; 478 479 dev->data->tx_queues[tx_queue_id] = sa->txq_info[tx_queue_id].txq->dp; 480 481 sfc_adapter_unlock(sa); 482 return 0; 483 484 fail_tx_qinit: 485 sfc_adapter_unlock(sa); 486 SFC_ASSERT(rc > 0); 487 return -rc; 488 } 489 490 static void 491 sfc_tx_queue_release(void *queue) 492 { 493 struct sfc_dp_txq *dp_txq = queue; 494 struct sfc_txq *txq; 495 unsigned int sw_index; 496 struct sfc_adapter *sa; 497 498 if (dp_txq == NULL) 499 return; 500 501 txq = sfc_txq_by_dp_txq(dp_txq); 502 sw_index = sfc_txq_sw_index(txq); 503 504 SFC_ASSERT(txq->evq != NULL); 505 sa = txq->evq->sa; 506 507 sfc_log_init(sa, "TxQ = %u", sw_index); 508 509 sfc_adapter_lock(sa); 510 511 SFC_ASSERT(sw_index < sa->eth_dev->data->nb_tx_queues); 512 sa->eth_dev->data->tx_queues[sw_index] = NULL; 513 514 sfc_tx_qfini(sa, sw_index); 515 516 sfc_adapter_unlock(sa); 517 } 518 519 static int 520 sfc_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats) 521 { 522 struct sfc_adapter *sa = dev->data->dev_private; 523 struct sfc_port *port = &sa->port; 524 uint64_t *mac_stats; 525 int ret; 526 527 rte_spinlock_lock(&port->mac_stats_lock); 528 529 ret = sfc_port_update_mac_stats(sa); 530 if (ret != 0) 531 goto unlock; 532 533 mac_stats = port->mac_stats_buf; 534 535 if (EFX_MAC_STAT_SUPPORTED(port->mac_stats_mask, 536 EFX_MAC_VADAPTER_RX_UNICAST_PACKETS)) { 537 stats->ipackets = 538 mac_stats[EFX_MAC_VADAPTER_RX_UNICAST_PACKETS] + 539 mac_stats[EFX_MAC_VADAPTER_RX_MULTICAST_PACKETS] + 540 mac_stats[EFX_MAC_VADAPTER_RX_BROADCAST_PACKETS]; 541 stats->opackets = 542 mac_stats[EFX_MAC_VADAPTER_TX_UNICAST_PACKETS] + 543 mac_stats[EFX_MAC_VADAPTER_TX_MULTICAST_PACKETS] + 544 mac_stats[EFX_MAC_VADAPTER_TX_BROADCAST_PACKETS]; 545 stats->ibytes = 546 mac_stats[EFX_MAC_VADAPTER_RX_UNICAST_BYTES] + 547 mac_stats[EFX_MAC_VADAPTER_RX_MULTICAST_BYTES] + 548 mac_stats[EFX_MAC_VADAPTER_RX_BROADCAST_BYTES]; 549 stats->obytes = 550 mac_stats[EFX_MAC_VADAPTER_TX_UNICAST_BYTES] + 551 mac_stats[EFX_MAC_VADAPTER_TX_MULTICAST_BYTES] + 552 mac_stats[EFX_MAC_VADAPTER_TX_BROADCAST_BYTES]; 553 stats->imissed = mac_stats[EFX_MAC_VADAPTER_RX_OVERFLOW]; 554 stats->ierrors = mac_stats[EFX_MAC_VADAPTER_RX_BAD_PACKETS]; 555 stats->oerrors = mac_stats[EFX_MAC_VADAPTER_TX_BAD_PACKETS]; 556 } else { 557 stats->ipackets = mac_stats[EFX_MAC_RX_PKTS]; 558 stats->opackets = mac_stats[EFX_MAC_TX_PKTS]; 559 stats->ibytes = mac_stats[EFX_MAC_RX_OCTETS]; 560 stats->obytes = mac_stats[EFX_MAC_TX_OCTETS]; 561 /* 562 * Take into account stats which are whenever supported 563 * on EF10. If some stat is not supported by current 564 * firmware variant or HW revision, it is guaranteed 565 * to be zero in mac_stats. 566 */ 567 stats->imissed = 568 mac_stats[EFX_MAC_RX_NODESC_DROP_CNT] + 569 mac_stats[EFX_MAC_PM_TRUNC_BB_OVERFLOW] + 570 mac_stats[EFX_MAC_PM_DISCARD_BB_OVERFLOW] + 571 mac_stats[EFX_MAC_PM_TRUNC_VFIFO_FULL] + 572 mac_stats[EFX_MAC_PM_DISCARD_VFIFO_FULL] + 573 mac_stats[EFX_MAC_PM_TRUNC_QBB] + 574 mac_stats[EFX_MAC_PM_DISCARD_QBB] + 575 mac_stats[EFX_MAC_PM_DISCARD_MAPPING] + 576 mac_stats[EFX_MAC_RXDP_Q_DISABLED_PKTS] + 577 mac_stats[EFX_MAC_RXDP_DI_DROPPED_PKTS]; 578 stats->ierrors = 579 mac_stats[EFX_MAC_RX_FCS_ERRORS] + 580 mac_stats[EFX_MAC_RX_ALIGN_ERRORS] + 581 mac_stats[EFX_MAC_RX_JABBER_PKTS]; 582 /* no oerrors counters supported on EF10 */ 583 } 584 585 unlock: 586 rte_spinlock_unlock(&port->mac_stats_lock); 587 SFC_ASSERT(ret >= 0); 588 return -ret; 589 } 590 591 static void 592 sfc_stats_reset(struct rte_eth_dev *dev) 593 { 594 struct sfc_adapter *sa = dev->data->dev_private; 595 struct sfc_port *port = &sa->port; 596 int rc; 597 598 if (sa->state != SFC_ADAPTER_STARTED) { 599 /* 600 * The operation cannot be done if port is not started; it 601 * will be scheduled to be done during the next port start 602 */ 603 port->mac_stats_reset_pending = B_TRUE; 604 return; 605 } 606 607 rc = sfc_port_reset_mac_stats(sa); 608 if (rc != 0) 609 sfc_err(sa, "failed to reset statistics (rc = %d)", rc); 610 } 611 612 static int 613 sfc_xstats_get(struct rte_eth_dev *dev, struct rte_eth_xstat *xstats, 614 unsigned int xstats_count) 615 { 616 struct sfc_adapter *sa = dev->data->dev_private; 617 struct sfc_port *port = &sa->port; 618 uint64_t *mac_stats; 619 int rc; 620 unsigned int i; 621 int nstats = 0; 622 623 rte_spinlock_lock(&port->mac_stats_lock); 624 625 rc = sfc_port_update_mac_stats(sa); 626 if (rc != 0) { 627 SFC_ASSERT(rc > 0); 628 nstats = -rc; 629 goto unlock; 630 } 631 632 mac_stats = port->mac_stats_buf; 633 634 for (i = 0; i < EFX_MAC_NSTATS; ++i) { 635 if (EFX_MAC_STAT_SUPPORTED(port->mac_stats_mask, i)) { 636 if (xstats != NULL && nstats < (int)xstats_count) { 637 xstats[nstats].id = nstats; 638 xstats[nstats].value = mac_stats[i]; 639 } 640 nstats++; 641 } 642 } 643 644 unlock: 645 rte_spinlock_unlock(&port->mac_stats_lock); 646 647 return nstats; 648 } 649 650 static int 651 sfc_xstats_get_names(struct rte_eth_dev *dev, 652 struct rte_eth_xstat_name *xstats_names, 653 unsigned int xstats_count) 654 { 655 struct sfc_adapter *sa = dev->data->dev_private; 656 struct sfc_port *port = &sa->port; 657 unsigned int i; 658 unsigned int nstats = 0; 659 660 for (i = 0; i < EFX_MAC_NSTATS; ++i) { 661 if (EFX_MAC_STAT_SUPPORTED(port->mac_stats_mask, i)) { 662 if (xstats_names != NULL && nstats < xstats_count) 663 strncpy(xstats_names[nstats].name, 664 efx_mac_stat_name(sa->nic, i), 665 sizeof(xstats_names[0].name)); 666 nstats++; 667 } 668 } 669 670 return nstats; 671 } 672 673 static int 674 sfc_xstats_get_by_id(struct rte_eth_dev *dev, const uint64_t *ids, 675 uint64_t *values, unsigned int n) 676 { 677 struct sfc_adapter *sa = dev->data->dev_private; 678 struct sfc_port *port = &sa->port; 679 uint64_t *mac_stats; 680 unsigned int nb_supported = 0; 681 unsigned int nb_written = 0; 682 unsigned int i; 683 int ret; 684 int rc; 685 686 if (unlikely(values == NULL) || 687 unlikely((ids == NULL) && (n < port->mac_stats_nb_supported))) 688 return port->mac_stats_nb_supported; 689 690 rte_spinlock_lock(&port->mac_stats_lock); 691 692 rc = sfc_port_update_mac_stats(sa); 693 if (rc != 0) { 694 SFC_ASSERT(rc > 0); 695 ret = -rc; 696 goto unlock; 697 } 698 699 mac_stats = port->mac_stats_buf; 700 701 for (i = 0; (i < EFX_MAC_NSTATS) && (nb_written < n); ++i) { 702 if (!EFX_MAC_STAT_SUPPORTED(port->mac_stats_mask, i)) 703 continue; 704 705 if ((ids == NULL) || (ids[nb_written] == nb_supported)) 706 values[nb_written++] = mac_stats[i]; 707 708 ++nb_supported; 709 } 710 711 ret = nb_written; 712 713 unlock: 714 rte_spinlock_unlock(&port->mac_stats_lock); 715 716 return ret; 717 } 718 719 static int 720 sfc_xstats_get_names_by_id(struct rte_eth_dev *dev, 721 struct rte_eth_xstat_name *xstats_names, 722 const uint64_t *ids, unsigned int size) 723 { 724 struct sfc_adapter *sa = dev->data->dev_private; 725 struct sfc_port *port = &sa->port; 726 unsigned int nb_supported = 0; 727 unsigned int nb_written = 0; 728 unsigned int i; 729 730 if (unlikely(xstats_names == NULL) || 731 unlikely((ids == NULL) && (size < port->mac_stats_nb_supported))) 732 return port->mac_stats_nb_supported; 733 734 for (i = 0; (i < EFX_MAC_NSTATS) && (nb_written < size); ++i) { 735 if (!EFX_MAC_STAT_SUPPORTED(port->mac_stats_mask, i)) 736 continue; 737 738 if ((ids == NULL) || (ids[nb_written] == nb_supported)) { 739 char *name = xstats_names[nb_written++].name; 740 741 strncpy(name, efx_mac_stat_name(sa->nic, i), 742 sizeof(xstats_names[0].name)); 743 name[sizeof(xstats_names[0].name) - 1] = '\0'; 744 } 745 746 ++nb_supported; 747 } 748 749 return nb_written; 750 } 751 752 static int 753 sfc_flow_ctrl_get(struct rte_eth_dev *dev, struct rte_eth_fc_conf *fc_conf) 754 { 755 struct sfc_adapter *sa = dev->data->dev_private; 756 unsigned int wanted_fc, link_fc; 757 758 memset(fc_conf, 0, sizeof(*fc_conf)); 759 760 sfc_adapter_lock(sa); 761 762 if (sa->state == SFC_ADAPTER_STARTED) 763 efx_mac_fcntl_get(sa->nic, &wanted_fc, &link_fc); 764 else 765 link_fc = sa->port.flow_ctrl; 766 767 switch (link_fc) { 768 case 0: 769 fc_conf->mode = RTE_FC_NONE; 770 break; 771 case EFX_FCNTL_RESPOND: 772 fc_conf->mode = RTE_FC_RX_PAUSE; 773 break; 774 case EFX_FCNTL_GENERATE: 775 fc_conf->mode = RTE_FC_TX_PAUSE; 776 break; 777 case (EFX_FCNTL_RESPOND | EFX_FCNTL_GENERATE): 778 fc_conf->mode = RTE_FC_FULL; 779 break; 780 default: 781 sfc_err(sa, "%s: unexpected flow control value %#x", 782 __func__, link_fc); 783 } 784 785 fc_conf->autoneg = sa->port.flow_ctrl_autoneg; 786 787 sfc_adapter_unlock(sa); 788 789 return 0; 790 } 791 792 static int 793 sfc_flow_ctrl_set(struct rte_eth_dev *dev, struct rte_eth_fc_conf *fc_conf) 794 { 795 struct sfc_adapter *sa = dev->data->dev_private; 796 struct sfc_port *port = &sa->port; 797 unsigned int fcntl; 798 int rc; 799 800 if (fc_conf->high_water != 0 || fc_conf->low_water != 0 || 801 fc_conf->pause_time != 0 || fc_conf->send_xon != 0 || 802 fc_conf->mac_ctrl_frame_fwd != 0) { 803 sfc_err(sa, "unsupported flow control settings specified"); 804 rc = EINVAL; 805 goto fail_inval; 806 } 807 808 switch (fc_conf->mode) { 809 case RTE_FC_NONE: 810 fcntl = 0; 811 break; 812 case RTE_FC_RX_PAUSE: 813 fcntl = EFX_FCNTL_RESPOND; 814 break; 815 case RTE_FC_TX_PAUSE: 816 fcntl = EFX_FCNTL_GENERATE; 817 break; 818 case RTE_FC_FULL: 819 fcntl = EFX_FCNTL_RESPOND | EFX_FCNTL_GENERATE; 820 break; 821 default: 822 rc = EINVAL; 823 goto fail_inval; 824 } 825 826 sfc_adapter_lock(sa); 827 828 if (sa->state == SFC_ADAPTER_STARTED) { 829 rc = efx_mac_fcntl_set(sa->nic, fcntl, fc_conf->autoneg); 830 if (rc != 0) 831 goto fail_mac_fcntl_set; 832 } 833 834 port->flow_ctrl = fcntl; 835 port->flow_ctrl_autoneg = fc_conf->autoneg; 836 837 sfc_adapter_unlock(sa); 838 839 return 0; 840 841 fail_mac_fcntl_set: 842 sfc_adapter_unlock(sa); 843 fail_inval: 844 SFC_ASSERT(rc > 0); 845 return -rc; 846 } 847 848 static int 849 sfc_dev_set_mtu(struct rte_eth_dev *dev, uint16_t mtu) 850 { 851 struct sfc_adapter *sa = dev->data->dev_private; 852 size_t pdu = EFX_MAC_PDU(mtu); 853 size_t old_pdu; 854 int rc; 855 856 sfc_log_init(sa, "mtu=%u", mtu); 857 858 rc = EINVAL; 859 if (pdu < EFX_MAC_PDU_MIN) { 860 sfc_err(sa, "too small MTU %u (PDU size %u less than min %u)", 861 (unsigned int)mtu, (unsigned int)pdu, 862 EFX_MAC_PDU_MIN); 863 goto fail_inval; 864 } 865 if (pdu > EFX_MAC_PDU_MAX) { 866 sfc_err(sa, "too big MTU %u (PDU size %u greater than max %u)", 867 (unsigned int)mtu, (unsigned int)pdu, 868 EFX_MAC_PDU_MAX); 869 goto fail_inval; 870 } 871 872 sfc_adapter_lock(sa); 873 874 if (pdu != sa->port.pdu) { 875 if (sa->state == SFC_ADAPTER_STARTED) { 876 sfc_stop(sa); 877 878 old_pdu = sa->port.pdu; 879 sa->port.pdu = pdu; 880 rc = sfc_start(sa); 881 if (rc != 0) 882 goto fail_start; 883 } else { 884 sa->port.pdu = pdu; 885 } 886 } 887 888 /* 889 * The driver does not use it, but other PMDs update jumbo_frame 890 * flag and max_rx_pkt_len when MTU is set. 891 */ 892 dev->data->dev_conf.rxmode.jumbo_frame = (mtu > ETHER_MAX_LEN); 893 dev->data->dev_conf.rxmode.max_rx_pkt_len = sa->port.pdu; 894 895 sfc_adapter_unlock(sa); 896 897 sfc_log_init(sa, "done"); 898 return 0; 899 900 fail_start: 901 sa->port.pdu = old_pdu; 902 if (sfc_start(sa) != 0) 903 sfc_err(sa, "cannot start with neither new (%u) nor old (%u) " 904 "PDU max size - port is stopped", 905 (unsigned int)pdu, (unsigned int)old_pdu); 906 sfc_adapter_unlock(sa); 907 908 fail_inval: 909 sfc_log_init(sa, "failed %d", rc); 910 SFC_ASSERT(rc > 0); 911 return -rc; 912 } 913 static void 914 sfc_mac_addr_set(struct rte_eth_dev *dev, struct ether_addr *mac_addr) 915 { 916 struct sfc_adapter *sa = dev->data->dev_private; 917 const efx_nic_cfg_t *encp = efx_nic_cfg_get(sa->nic); 918 struct sfc_port *port = &sa->port; 919 int rc; 920 921 sfc_adapter_lock(sa); 922 923 /* 924 * Copy the address to the device private data so that 925 * it could be recalled in the case of adapter restart. 926 */ 927 ether_addr_copy(mac_addr, &port->default_mac_addr); 928 929 if (port->isolated) { 930 sfc_err(sa, "isolated mode is active on the port"); 931 sfc_err(sa, "will not set MAC address"); 932 goto unlock; 933 } 934 935 if (sa->state != SFC_ADAPTER_STARTED) { 936 sfc_info(sa, "the port is not started"); 937 sfc_info(sa, "the new MAC address will be set on port start"); 938 939 goto unlock; 940 } 941 942 if (encp->enc_allow_set_mac_with_installed_filters) { 943 rc = efx_mac_addr_set(sa->nic, mac_addr->addr_bytes); 944 if (rc != 0) { 945 sfc_err(sa, "cannot set MAC address (rc = %u)", rc); 946 goto unlock; 947 } 948 949 /* 950 * Changing the MAC address by means of MCDI request 951 * has no effect on received traffic, therefore 952 * we also need to update unicast filters 953 */ 954 rc = sfc_set_rx_mode(sa); 955 if (rc != 0) 956 sfc_err(sa, "cannot set filter (rc = %u)", rc); 957 } else { 958 sfc_warn(sa, "cannot set MAC address with filters installed"); 959 sfc_warn(sa, "adapter will be restarted to pick the new MAC"); 960 sfc_warn(sa, "(some traffic may be dropped)"); 961 962 /* 963 * Since setting MAC address with filters installed is not 964 * allowed on the adapter, the new MAC address will be set 965 * by means of adapter restart. sfc_start() shall retrieve 966 * the new address from the device private data and set it. 967 */ 968 sfc_stop(sa); 969 rc = sfc_start(sa); 970 if (rc != 0) 971 sfc_err(sa, "cannot restart adapter (rc = %u)", rc); 972 } 973 974 unlock: 975 /* 976 * In the case of failure sa->port->default_mac_addr does not 977 * need rollback since no error code is returned, and the upper 978 * API will anyway update the external MAC address storage. 979 * To be consistent with that new value it is better to keep 980 * the device private value the same. 981 */ 982 sfc_adapter_unlock(sa); 983 } 984 985 986 static int 987 sfc_set_mc_addr_list(struct rte_eth_dev *dev, struct ether_addr *mc_addr_set, 988 uint32_t nb_mc_addr) 989 { 990 struct sfc_adapter *sa = dev->data->dev_private; 991 struct sfc_port *port = &sa->port; 992 uint8_t *mc_addrs = port->mcast_addrs; 993 int rc; 994 unsigned int i; 995 996 if (port->isolated) { 997 sfc_err(sa, "isolated mode is active on the port"); 998 sfc_err(sa, "will not set multicast address list"); 999 return -ENOTSUP; 1000 } 1001 1002 if (mc_addrs == NULL) 1003 return -ENOBUFS; 1004 1005 if (nb_mc_addr > port->max_mcast_addrs) { 1006 sfc_err(sa, "too many multicast addresses: %u > %u", 1007 nb_mc_addr, port->max_mcast_addrs); 1008 return -EINVAL; 1009 } 1010 1011 for (i = 0; i < nb_mc_addr; ++i) { 1012 rte_memcpy(mc_addrs, mc_addr_set[i].addr_bytes, 1013 EFX_MAC_ADDR_LEN); 1014 mc_addrs += EFX_MAC_ADDR_LEN; 1015 } 1016 1017 port->nb_mcast_addrs = nb_mc_addr; 1018 1019 if (sa->state != SFC_ADAPTER_STARTED) 1020 return 0; 1021 1022 rc = efx_mac_multicast_list_set(sa->nic, port->mcast_addrs, 1023 port->nb_mcast_addrs); 1024 if (rc != 0) 1025 sfc_err(sa, "cannot set multicast address list (rc = %u)", rc); 1026 1027 SFC_ASSERT(rc > 0); 1028 return -rc; 1029 } 1030 1031 /* 1032 * The function is used by the secondary process as well. It must not 1033 * use any process-local pointers from the adapter data. 1034 */ 1035 static void 1036 sfc_rx_queue_info_get(struct rte_eth_dev *dev, uint16_t rx_queue_id, 1037 struct rte_eth_rxq_info *qinfo) 1038 { 1039 struct sfc_adapter *sa = dev->data->dev_private; 1040 struct sfc_rxq_info *rxq_info; 1041 struct sfc_rxq *rxq; 1042 1043 sfc_adapter_lock(sa); 1044 1045 SFC_ASSERT(rx_queue_id < sa->rxq_count); 1046 1047 rxq_info = &sa->rxq_info[rx_queue_id]; 1048 rxq = rxq_info->rxq; 1049 SFC_ASSERT(rxq != NULL); 1050 1051 qinfo->mp = rxq->refill_mb_pool; 1052 qinfo->conf.rx_free_thresh = rxq->refill_threshold; 1053 qinfo->conf.rx_drop_en = 1; 1054 qinfo->conf.rx_deferred_start = rxq_info->deferred_start; 1055 qinfo->scattered_rx = 1056 ((rxq_info->type_flags & EFX_RXQ_FLAG_SCATTER) != 0); 1057 qinfo->nb_desc = rxq_info->entries; 1058 1059 sfc_adapter_unlock(sa); 1060 } 1061 1062 /* 1063 * The function is used by the secondary process as well. It must not 1064 * use any process-local pointers from the adapter data. 1065 */ 1066 static void 1067 sfc_tx_queue_info_get(struct rte_eth_dev *dev, uint16_t tx_queue_id, 1068 struct rte_eth_txq_info *qinfo) 1069 { 1070 struct sfc_adapter *sa = dev->data->dev_private; 1071 struct sfc_txq_info *txq_info; 1072 1073 sfc_adapter_lock(sa); 1074 1075 SFC_ASSERT(tx_queue_id < sa->txq_count); 1076 1077 txq_info = &sa->txq_info[tx_queue_id]; 1078 SFC_ASSERT(txq_info->txq != NULL); 1079 1080 memset(qinfo, 0, sizeof(*qinfo)); 1081 1082 qinfo->conf.txq_flags = txq_info->txq->flags; 1083 qinfo->conf.tx_free_thresh = txq_info->txq->free_thresh; 1084 qinfo->conf.tx_deferred_start = txq_info->deferred_start; 1085 qinfo->nb_desc = txq_info->entries; 1086 1087 sfc_adapter_unlock(sa); 1088 } 1089 1090 static uint32_t 1091 sfc_rx_queue_count(struct rte_eth_dev *dev, uint16_t rx_queue_id) 1092 { 1093 struct sfc_adapter *sa = dev->data->dev_private; 1094 1095 sfc_log_init(sa, "RxQ=%u", rx_queue_id); 1096 1097 return sfc_rx_qdesc_npending(sa, rx_queue_id); 1098 } 1099 1100 static int 1101 sfc_rx_descriptor_done(void *queue, uint16_t offset) 1102 { 1103 struct sfc_dp_rxq *dp_rxq = queue; 1104 1105 return sfc_rx_qdesc_done(dp_rxq, offset); 1106 } 1107 1108 static int 1109 sfc_rx_descriptor_status(void *queue, uint16_t offset) 1110 { 1111 struct sfc_dp_rxq *dp_rxq = queue; 1112 struct sfc_rxq *rxq = sfc_rxq_by_dp_rxq(dp_rxq); 1113 1114 return rxq->evq->sa->dp_rx->qdesc_status(dp_rxq, offset); 1115 } 1116 1117 static int 1118 sfc_tx_descriptor_status(void *queue, uint16_t offset) 1119 { 1120 struct sfc_dp_txq *dp_txq = queue; 1121 struct sfc_txq *txq = sfc_txq_by_dp_txq(dp_txq); 1122 1123 return txq->evq->sa->dp_tx->qdesc_status(dp_txq, offset); 1124 } 1125 1126 static int 1127 sfc_rx_queue_start(struct rte_eth_dev *dev, uint16_t rx_queue_id) 1128 { 1129 struct sfc_adapter *sa = dev->data->dev_private; 1130 int rc; 1131 1132 sfc_log_init(sa, "RxQ=%u", rx_queue_id); 1133 1134 sfc_adapter_lock(sa); 1135 1136 rc = EINVAL; 1137 if (sa->state != SFC_ADAPTER_STARTED) 1138 goto fail_not_started; 1139 1140 rc = sfc_rx_qstart(sa, rx_queue_id); 1141 if (rc != 0) 1142 goto fail_rx_qstart; 1143 1144 sa->rxq_info[rx_queue_id].deferred_started = B_TRUE; 1145 1146 sfc_adapter_unlock(sa); 1147 1148 return 0; 1149 1150 fail_rx_qstart: 1151 fail_not_started: 1152 sfc_adapter_unlock(sa); 1153 SFC_ASSERT(rc > 0); 1154 return -rc; 1155 } 1156 1157 static int 1158 sfc_rx_queue_stop(struct rte_eth_dev *dev, uint16_t rx_queue_id) 1159 { 1160 struct sfc_adapter *sa = dev->data->dev_private; 1161 1162 sfc_log_init(sa, "RxQ=%u", rx_queue_id); 1163 1164 sfc_adapter_lock(sa); 1165 sfc_rx_qstop(sa, rx_queue_id); 1166 1167 sa->rxq_info[rx_queue_id].deferred_started = B_FALSE; 1168 1169 sfc_adapter_unlock(sa); 1170 1171 return 0; 1172 } 1173 1174 static int 1175 sfc_tx_queue_start(struct rte_eth_dev *dev, uint16_t tx_queue_id) 1176 { 1177 struct sfc_adapter *sa = dev->data->dev_private; 1178 int rc; 1179 1180 sfc_log_init(sa, "TxQ = %u", tx_queue_id); 1181 1182 sfc_adapter_lock(sa); 1183 1184 rc = EINVAL; 1185 if (sa->state != SFC_ADAPTER_STARTED) 1186 goto fail_not_started; 1187 1188 rc = sfc_tx_qstart(sa, tx_queue_id); 1189 if (rc != 0) 1190 goto fail_tx_qstart; 1191 1192 sa->txq_info[tx_queue_id].deferred_started = B_TRUE; 1193 1194 sfc_adapter_unlock(sa); 1195 return 0; 1196 1197 fail_tx_qstart: 1198 1199 fail_not_started: 1200 sfc_adapter_unlock(sa); 1201 SFC_ASSERT(rc > 0); 1202 return -rc; 1203 } 1204 1205 static int 1206 sfc_tx_queue_stop(struct rte_eth_dev *dev, uint16_t tx_queue_id) 1207 { 1208 struct sfc_adapter *sa = dev->data->dev_private; 1209 1210 sfc_log_init(sa, "TxQ = %u", tx_queue_id); 1211 1212 sfc_adapter_lock(sa); 1213 1214 sfc_tx_qstop(sa, tx_queue_id); 1215 1216 sa->txq_info[tx_queue_id].deferred_started = B_FALSE; 1217 1218 sfc_adapter_unlock(sa); 1219 return 0; 1220 } 1221 1222 static efx_tunnel_protocol_t 1223 sfc_tunnel_rte_type_to_efx_udp_proto(enum rte_eth_tunnel_type rte_type) 1224 { 1225 switch (rte_type) { 1226 case RTE_TUNNEL_TYPE_VXLAN: 1227 return EFX_TUNNEL_PROTOCOL_VXLAN; 1228 case RTE_TUNNEL_TYPE_GENEVE: 1229 return EFX_TUNNEL_PROTOCOL_GENEVE; 1230 default: 1231 return EFX_TUNNEL_NPROTOS; 1232 } 1233 } 1234 1235 enum sfc_udp_tunnel_op_e { 1236 SFC_UDP_TUNNEL_ADD_PORT, 1237 SFC_UDP_TUNNEL_DEL_PORT, 1238 }; 1239 1240 static int 1241 sfc_dev_udp_tunnel_op(struct rte_eth_dev *dev, 1242 struct rte_eth_udp_tunnel *tunnel_udp, 1243 enum sfc_udp_tunnel_op_e op) 1244 { 1245 struct sfc_adapter *sa = dev->data->dev_private; 1246 efx_tunnel_protocol_t tunnel_proto; 1247 int rc; 1248 1249 sfc_log_init(sa, "%s udp_port=%u prot_type=%u", 1250 (op == SFC_UDP_TUNNEL_ADD_PORT) ? "add" : 1251 (op == SFC_UDP_TUNNEL_DEL_PORT) ? "delete" : "unknown", 1252 tunnel_udp->udp_port, tunnel_udp->prot_type); 1253 1254 tunnel_proto = 1255 sfc_tunnel_rte_type_to_efx_udp_proto(tunnel_udp->prot_type); 1256 if (tunnel_proto >= EFX_TUNNEL_NPROTOS) { 1257 rc = ENOTSUP; 1258 goto fail_bad_proto; 1259 } 1260 1261 sfc_adapter_lock(sa); 1262 1263 switch (op) { 1264 case SFC_UDP_TUNNEL_ADD_PORT: 1265 rc = efx_tunnel_config_udp_add(sa->nic, 1266 tunnel_udp->udp_port, 1267 tunnel_proto); 1268 break; 1269 case SFC_UDP_TUNNEL_DEL_PORT: 1270 rc = efx_tunnel_config_udp_remove(sa->nic, 1271 tunnel_udp->udp_port, 1272 tunnel_proto); 1273 break; 1274 default: 1275 rc = EINVAL; 1276 goto fail_bad_op; 1277 } 1278 1279 if (rc != 0) 1280 goto fail_op; 1281 1282 if (sa->state == SFC_ADAPTER_STARTED) { 1283 rc = efx_tunnel_reconfigure(sa->nic); 1284 if (rc == EAGAIN) { 1285 /* 1286 * Configuration is accepted by FW and MC reboot 1287 * is initiated to apply the changes. MC reboot 1288 * will be handled in a usual way (MC reboot 1289 * event on management event queue and adapter 1290 * restart). 1291 */ 1292 rc = 0; 1293 } else if (rc != 0) { 1294 goto fail_reconfigure; 1295 } 1296 } 1297 1298 sfc_adapter_unlock(sa); 1299 return 0; 1300 1301 fail_reconfigure: 1302 /* Remove/restore entry since the change makes the trouble */ 1303 switch (op) { 1304 case SFC_UDP_TUNNEL_ADD_PORT: 1305 (void)efx_tunnel_config_udp_remove(sa->nic, 1306 tunnel_udp->udp_port, 1307 tunnel_proto); 1308 break; 1309 case SFC_UDP_TUNNEL_DEL_PORT: 1310 (void)efx_tunnel_config_udp_add(sa->nic, 1311 tunnel_udp->udp_port, 1312 tunnel_proto); 1313 break; 1314 } 1315 1316 fail_op: 1317 fail_bad_op: 1318 sfc_adapter_unlock(sa); 1319 1320 fail_bad_proto: 1321 SFC_ASSERT(rc > 0); 1322 return -rc; 1323 } 1324 1325 static int 1326 sfc_dev_udp_tunnel_port_add(struct rte_eth_dev *dev, 1327 struct rte_eth_udp_tunnel *tunnel_udp) 1328 { 1329 return sfc_dev_udp_tunnel_op(dev, tunnel_udp, SFC_UDP_TUNNEL_ADD_PORT); 1330 } 1331 1332 static int 1333 sfc_dev_udp_tunnel_port_del(struct rte_eth_dev *dev, 1334 struct rte_eth_udp_tunnel *tunnel_udp) 1335 { 1336 return sfc_dev_udp_tunnel_op(dev, tunnel_udp, SFC_UDP_TUNNEL_DEL_PORT); 1337 } 1338 1339 #if EFSYS_OPT_RX_SCALE 1340 static int 1341 sfc_dev_rss_hash_conf_get(struct rte_eth_dev *dev, 1342 struct rte_eth_rss_conf *rss_conf) 1343 { 1344 struct sfc_adapter *sa = dev->data->dev_private; 1345 struct sfc_port *port = &sa->port; 1346 1347 if ((sa->rss_support != EFX_RX_SCALE_EXCLUSIVE) || port->isolated) 1348 return -ENOTSUP; 1349 1350 if (sa->rss_channels == 0) 1351 return -EINVAL; 1352 1353 sfc_adapter_lock(sa); 1354 1355 /* 1356 * Mapping of hash configuration between RTE and EFX is not one-to-one, 1357 * hence, conversion is done here to derive a correct set of ETH_RSS 1358 * flags which corresponds to the active EFX configuration stored 1359 * locally in 'sfc_adapter' and kept up-to-date 1360 */ 1361 rss_conf->rss_hf = sfc_efx_to_rte_hash_type(sa->rss_hash_types); 1362 rss_conf->rss_key_len = EFX_RSS_KEY_SIZE; 1363 if (rss_conf->rss_key != NULL) 1364 rte_memcpy(rss_conf->rss_key, sa->rss_key, EFX_RSS_KEY_SIZE); 1365 1366 sfc_adapter_unlock(sa); 1367 1368 return 0; 1369 } 1370 1371 static int 1372 sfc_dev_rss_hash_update(struct rte_eth_dev *dev, 1373 struct rte_eth_rss_conf *rss_conf) 1374 { 1375 struct sfc_adapter *sa = dev->data->dev_private; 1376 struct sfc_port *port = &sa->port; 1377 unsigned int efx_hash_types; 1378 int rc = 0; 1379 1380 if (port->isolated) 1381 return -ENOTSUP; 1382 1383 if (sa->rss_support != EFX_RX_SCALE_EXCLUSIVE) { 1384 sfc_err(sa, "RSS is not available"); 1385 return -ENOTSUP; 1386 } 1387 1388 if (sa->rss_channels == 0) { 1389 sfc_err(sa, "RSS is not configured"); 1390 return -EINVAL; 1391 } 1392 1393 if ((rss_conf->rss_key != NULL) && 1394 (rss_conf->rss_key_len != sizeof(sa->rss_key))) { 1395 sfc_err(sa, "RSS key size is wrong (should be %lu)", 1396 sizeof(sa->rss_key)); 1397 return -EINVAL; 1398 } 1399 1400 if ((rss_conf->rss_hf & ~SFC_RSS_OFFLOADS) != 0) { 1401 sfc_err(sa, "unsupported hash functions requested"); 1402 return -EINVAL; 1403 } 1404 1405 sfc_adapter_lock(sa); 1406 1407 efx_hash_types = sfc_rte_to_efx_hash_type(rss_conf->rss_hf); 1408 1409 rc = efx_rx_scale_mode_set(sa->nic, EFX_RSS_CONTEXT_DEFAULT, 1410 EFX_RX_HASHALG_TOEPLITZ, 1411 efx_hash_types, B_TRUE); 1412 if (rc != 0) 1413 goto fail_scale_mode_set; 1414 1415 if (rss_conf->rss_key != NULL) { 1416 if (sa->state == SFC_ADAPTER_STARTED) { 1417 rc = efx_rx_scale_key_set(sa->nic, 1418 EFX_RSS_CONTEXT_DEFAULT, 1419 rss_conf->rss_key, 1420 sizeof(sa->rss_key)); 1421 if (rc != 0) 1422 goto fail_scale_key_set; 1423 } 1424 1425 rte_memcpy(sa->rss_key, rss_conf->rss_key, sizeof(sa->rss_key)); 1426 } 1427 1428 sa->rss_hash_types = efx_hash_types; 1429 1430 sfc_adapter_unlock(sa); 1431 1432 return 0; 1433 1434 fail_scale_key_set: 1435 if (efx_rx_scale_mode_set(sa->nic, EFX_RSS_CONTEXT_DEFAULT, 1436 EFX_RX_HASHALG_TOEPLITZ, 1437 sa->rss_hash_types, B_TRUE) != 0) 1438 sfc_err(sa, "failed to restore RSS mode"); 1439 1440 fail_scale_mode_set: 1441 sfc_adapter_unlock(sa); 1442 return -rc; 1443 } 1444 1445 static int 1446 sfc_dev_rss_reta_query(struct rte_eth_dev *dev, 1447 struct rte_eth_rss_reta_entry64 *reta_conf, 1448 uint16_t reta_size) 1449 { 1450 struct sfc_adapter *sa = dev->data->dev_private; 1451 struct sfc_port *port = &sa->port; 1452 int entry; 1453 1454 if ((sa->rss_support != EFX_RX_SCALE_EXCLUSIVE) || port->isolated) 1455 return -ENOTSUP; 1456 1457 if (sa->rss_channels == 0) 1458 return -EINVAL; 1459 1460 if (reta_size != EFX_RSS_TBL_SIZE) 1461 return -EINVAL; 1462 1463 sfc_adapter_lock(sa); 1464 1465 for (entry = 0; entry < reta_size; entry++) { 1466 int grp = entry / RTE_RETA_GROUP_SIZE; 1467 int grp_idx = entry % RTE_RETA_GROUP_SIZE; 1468 1469 if ((reta_conf[grp].mask >> grp_idx) & 1) 1470 reta_conf[grp].reta[grp_idx] = sa->rss_tbl[entry]; 1471 } 1472 1473 sfc_adapter_unlock(sa); 1474 1475 return 0; 1476 } 1477 1478 static int 1479 sfc_dev_rss_reta_update(struct rte_eth_dev *dev, 1480 struct rte_eth_rss_reta_entry64 *reta_conf, 1481 uint16_t reta_size) 1482 { 1483 struct sfc_adapter *sa = dev->data->dev_private; 1484 struct sfc_port *port = &sa->port; 1485 unsigned int *rss_tbl_new; 1486 uint16_t entry; 1487 int rc = 0; 1488 1489 1490 if (port->isolated) 1491 return -ENOTSUP; 1492 1493 if (sa->rss_support != EFX_RX_SCALE_EXCLUSIVE) { 1494 sfc_err(sa, "RSS is not available"); 1495 return -ENOTSUP; 1496 } 1497 1498 if (sa->rss_channels == 0) { 1499 sfc_err(sa, "RSS is not configured"); 1500 return -EINVAL; 1501 } 1502 1503 if (reta_size != EFX_RSS_TBL_SIZE) { 1504 sfc_err(sa, "RETA size is wrong (should be %u)", 1505 EFX_RSS_TBL_SIZE); 1506 return -EINVAL; 1507 } 1508 1509 rss_tbl_new = rte_zmalloc("rss_tbl_new", sizeof(sa->rss_tbl), 0); 1510 if (rss_tbl_new == NULL) 1511 return -ENOMEM; 1512 1513 sfc_adapter_lock(sa); 1514 1515 rte_memcpy(rss_tbl_new, sa->rss_tbl, sizeof(sa->rss_tbl)); 1516 1517 for (entry = 0; entry < reta_size; entry++) { 1518 int grp_idx = entry % RTE_RETA_GROUP_SIZE; 1519 struct rte_eth_rss_reta_entry64 *grp; 1520 1521 grp = &reta_conf[entry / RTE_RETA_GROUP_SIZE]; 1522 1523 if (grp->mask & (1ull << grp_idx)) { 1524 if (grp->reta[grp_idx] >= sa->rss_channels) { 1525 rc = EINVAL; 1526 goto bad_reta_entry; 1527 } 1528 rss_tbl_new[entry] = grp->reta[grp_idx]; 1529 } 1530 } 1531 1532 if (sa->state == SFC_ADAPTER_STARTED) { 1533 rc = efx_rx_scale_tbl_set(sa->nic, EFX_RSS_CONTEXT_DEFAULT, 1534 rss_tbl_new, EFX_RSS_TBL_SIZE); 1535 if (rc != 0) 1536 goto fail_scale_tbl_set; 1537 } 1538 1539 rte_memcpy(sa->rss_tbl, rss_tbl_new, sizeof(sa->rss_tbl)); 1540 1541 fail_scale_tbl_set: 1542 bad_reta_entry: 1543 sfc_adapter_unlock(sa); 1544 1545 rte_free(rss_tbl_new); 1546 1547 SFC_ASSERT(rc >= 0); 1548 return -rc; 1549 } 1550 #endif 1551 1552 static int 1553 sfc_dev_filter_ctrl(struct rte_eth_dev *dev, enum rte_filter_type filter_type, 1554 enum rte_filter_op filter_op, 1555 void *arg) 1556 { 1557 struct sfc_adapter *sa = dev->data->dev_private; 1558 int rc = ENOTSUP; 1559 1560 sfc_log_init(sa, "entry"); 1561 1562 switch (filter_type) { 1563 case RTE_ETH_FILTER_NONE: 1564 sfc_err(sa, "Global filters configuration not supported"); 1565 break; 1566 case RTE_ETH_FILTER_MACVLAN: 1567 sfc_err(sa, "MACVLAN filters not supported"); 1568 break; 1569 case RTE_ETH_FILTER_ETHERTYPE: 1570 sfc_err(sa, "EtherType filters not supported"); 1571 break; 1572 case RTE_ETH_FILTER_FLEXIBLE: 1573 sfc_err(sa, "Flexible filters not supported"); 1574 break; 1575 case RTE_ETH_FILTER_SYN: 1576 sfc_err(sa, "SYN filters not supported"); 1577 break; 1578 case RTE_ETH_FILTER_NTUPLE: 1579 sfc_err(sa, "NTUPLE filters not supported"); 1580 break; 1581 case RTE_ETH_FILTER_TUNNEL: 1582 sfc_err(sa, "Tunnel filters not supported"); 1583 break; 1584 case RTE_ETH_FILTER_FDIR: 1585 sfc_err(sa, "Flow Director filters not supported"); 1586 break; 1587 case RTE_ETH_FILTER_HASH: 1588 sfc_err(sa, "Hash filters not supported"); 1589 break; 1590 case RTE_ETH_FILTER_GENERIC: 1591 if (filter_op != RTE_ETH_FILTER_GET) { 1592 rc = EINVAL; 1593 } else { 1594 *(const void **)arg = &sfc_flow_ops; 1595 rc = 0; 1596 } 1597 break; 1598 default: 1599 sfc_err(sa, "Unknown filter type %u", filter_type); 1600 break; 1601 } 1602 1603 sfc_log_init(sa, "exit: %d", -rc); 1604 SFC_ASSERT(rc >= 0); 1605 return -rc; 1606 } 1607 1608 static const struct eth_dev_ops sfc_eth_dev_ops = { 1609 .dev_configure = sfc_dev_configure, 1610 .dev_start = sfc_dev_start, 1611 .dev_stop = sfc_dev_stop, 1612 .dev_set_link_up = sfc_dev_set_link_up, 1613 .dev_set_link_down = sfc_dev_set_link_down, 1614 .dev_close = sfc_dev_close, 1615 .promiscuous_enable = sfc_dev_promisc_enable, 1616 .promiscuous_disable = sfc_dev_promisc_disable, 1617 .allmulticast_enable = sfc_dev_allmulti_enable, 1618 .allmulticast_disable = sfc_dev_allmulti_disable, 1619 .link_update = sfc_dev_link_update, 1620 .stats_get = sfc_stats_get, 1621 .stats_reset = sfc_stats_reset, 1622 .xstats_get = sfc_xstats_get, 1623 .xstats_reset = sfc_stats_reset, 1624 .xstats_get_names = sfc_xstats_get_names, 1625 .dev_infos_get = sfc_dev_infos_get, 1626 .dev_supported_ptypes_get = sfc_dev_supported_ptypes_get, 1627 .mtu_set = sfc_dev_set_mtu, 1628 .rx_queue_start = sfc_rx_queue_start, 1629 .rx_queue_stop = sfc_rx_queue_stop, 1630 .tx_queue_start = sfc_tx_queue_start, 1631 .tx_queue_stop = sfc_tx_queue_stop, 1632 .rx_queue_setup = sfc_rx_queue_setup, 1633 .rx_queue_release = sfc_rx_queue_release, 1634 .rx_queue_count = sfc_rx_queue_count, 1635 .rx_descriptor_done = sfc_rx_descriptor_done, 1636 .rx_descriptor_status = sfc_rx_descriptor_status, 1637 .tx_descriptor_status = sfc_tx_descriptor_status, 1638 .tx_queue_setup = sfc_tx_queue_setup, 1639 .tx_queue_release = sfc_tx_queue_release, 1640 .flow_ctrl_get = sfc_flow_ctrl_get, 1641 .flow_ctrl_set = sfc_flow_ctrl_set, 1642 .mac_addr_set = sfc_mac_addr_set, 1643 .udp_tunnel_port_add = sfc_dev_udp_tunnel_port_add, 1644 .udp_tunnel_port_del = sfc_dev_udp_tunnel_port_del, 1645 #if EFSYS_OPT_RX_SCALE 1646 .reta_update = sfc_dev_rss_reta_update, 1647 .reta_query = sfc_dev_rss_reta_query, 1648 .rss_hash_update = sfc_dev_rss_hash_update, 1649 .rss_hash_conf_get = sfc_dev_rss_hash_conf_get, 1650 #endif 1651 .filter_ctrl = sfc_dev_filter_ctrl, 1652 .set_mc_addr_list = sfc_set_mc_addr_list, 1653 .rxq_info_get = sfc_rx_queue_info_get, 1654 .txq_info_get = sfc_tx_queue_info_get, 1655 .fw_version_get = sfc_fw_version_get, 1656 .xstats_get_by_id = sfc_xstats_get_by_id, 1657 .xstats_get_names_by_id = sfc_xstats_get_names_by_id, 1658 }; 1659 1660 /** 1661 * Duplicate a string in potentially shared memory required for 1662 * multi-process support. 1663 * 1664 * strdup() allocates from process-local heap/memory. 1665 */ 1666 static char * 1667 sfc_strdup(const char *str) 1668 { 1669 size_t size; 1670 char *copy; 1671 1672 if (str == NULL) 1673 return NULL; 1674 1675 size = strlen(str) + 1; 1676 copy = rte_malloc(__func__, size, 0); 1677 if (copy != NULL) 1678 rte_memcpy(copy, str, size); 1679 1680 return copy; 1681 } 1682 1683 static int 1684 sfc_eth_dev_set_ops(struct rte_eth_dev *dev) 1685 { 1686 struct sfc_adapter *sa = dev->data->dev_private; 1687 unsigned int avail_caps = 0; 1688 const char *rx_name = NULL; 1689 const char *tx_name = NULL; 1690 int rc; 1691 1692 switch (sa->family) { 1693 case EFX_FAMILY_HUNTINGTON: 1694 case EFX_FAMILY_MEDFORD: 1695 avail_caps |= SFC_DP_HW_FW_CAP_EF10; 1696 break; 1697 default: 1698 break; 1699 } 1700 1701 rc = sfc_kvargs_process(sa, SFC_KVARG_RX_DATAPATH, 1702 sfc_kvarg_string_handler, &rx_name); 1703 if (rc != 0) 1704 goto fail_kvarg_rx_datapath; 1705 1706 if (rx_name != NULL) { 1707 sa->dp_rx = sfc_dp_find_rx_by_name(&sfc_dp_head, rx_name); 1708 if (sa->dp_rx == NULL) { 1709 sfc_err(sa, "Rx datapath %s not found", rx_name); 1710 rc = ENOENT; 1711 goto fail_dp_rx; 1712 } 1713 if (!sfc_dp_match_hw_fw_caps(&sa->dp_rx->dp, avail_caps)) { 1714 sfc_err(sa, 1715 "Insufficient Hw/FW capabilities to use Rx datapath %s", 1716 rx_name); 1717 rc = EINVAL; 1718 goto fail_dp_rx_caps; 1719 } 1720 } else { 1721 sa->dp_rx = sfc_dp_find_rx_by_caps(&sfc_dp_head, avail_caps); 1722 if (sa->dp_rx == NULL) { 1723 sfc_err(sa, "Rx datapath by caps %#x not found", 1724 avail_caps); 1725 rc = ENOENT; 1726 goto fail_dp_rx; 1727 } 1728 } 1729 1730 sa->dp_rx_name = sfc_strdup(sa->dp_rx->dp.name); 1731 if (sa->dp_rx_name == NULL) { 1732 rc = ENOMEM; 1733 goto fail_dp_rx_name; 1734 } 1735 1736 sfc_info(sa, "use %s Rx datapath", sa->dp_rx_name); 1737 1738 dev->rx_pkt_burst = sa->dp_rx->pkt_burst; 1739 1740 rc = sfc_kvargs_process(sa, SFC_KVARG_TX_DATAPATH, 1741 sfc_kvarg_string_handler, &tx_name); 1742 if (rc != 0) 1743 goto fail_kvarg_tx_datapath; 1744 1745 if (tx_name != NULL) { 1746 sa->dp_tx = sfc_dp_find_tx_by_name(&sfc_dp_head, tx_name); 1747 if (sa->dp_tx == NULL) { 1748 sfc_err(sa, "Tx datapath %s not found", tx_name); 1749 rc = ENOENT; 1750 goto fail_dp_tx; 1751 } 1752 if (!sfc_dp_match_hw_fw_caps(&sa->dp_tx->dp, avail_caps)) { 1753 sfc_err(sa, 1754 "Insufficient Hw/FW capabilities to use Tx datapath %s", 1755 tx_name); 1756 rc = EINVAL; 1757 goto fail_dp_tx_caps; 1758 } 1759 } else { 1760 sa->dp_tx = sfc_dp_find_tx_by_caps(&sfc_dp_head, avail_caps); 1761 if (sa->dp_tx == NULL) { 1762 sfc_err(sa, "Tx datapath by caps %#x not found", 1763 avail_caps); 1764 rc = ENOENT; 1765 goto fail_dp_tx; 1766 } 1767 } 1768 1769 sa->dp_tx_name = sfc_strdup(sa->dp_tx->dp.name); 1770 if (sa->dp_tx_name == NULL) { 1771 rc = ENOMEM; 1772 goto fail_dp_tx_name; 1773 } 1774 1775 sfc_info(sa, "use %s Tx datapath", sa->dp_tx_name); 1776 1777 dev->tx_pkt_burst = sa->dp_tx->pkt_burst; 1778 1779 dev->dev_ops = &sfc_eth_dev_ops; 1780 1781 return 0; 1782 1783 fail_dp_tx_name: 1784 fail_dp_tx_caps: 1785 sa->dp_tx = NULL; 1786 1787 fail_dp_tx: 1788 fail_kvarg_tx_datapath: 1789 rte_free(sa->dp_rx_name); 1790 sa->dp_rx_name = NULL; 1791 1792 fail_dp_rx_name: 1793 fail_dp_rx_caps: 1794 sa->dp_rx = NULL; 1795 1796 fail_dp_rx: 1797 fail_kvarg_rx_datapath: 1798 return rc; 1799 } 1800 1801 static void 1802 sfc_eth_dev_clear_ops(struct rte_eth_dev *dev) 1803 { 1804 struct sfc_adapter *sa = dev->data->dev_private; 1805 1806 dev->dev_ops = NULL; 1807 dev->rx_pkt_burst = NULL; 1808 dev->tx_pkt_burst = NULL; 1809 1810 rte_free(sa->dp_tx_name); 1811 sa->dp_tx_name = NULL; 1812 sa->dp_tx = NULL; 1813 1814 rte_free(sa->dp_rx_name); 1815 sa->dp_rx_name = NULL; 1816 sa->dp_rx = NULL; 1817 } 1818 1819 static const struct eth_dev_ops sfc_eth_dev_secondary_ops = { 1820 .rxq_info_get = sfc_rx_queue_info_get, 1821 .txq_info_get = sfc_tx_queue_info_get, 1822 }; 1823 1824 static int 1825 sfc_eth_dev_secondary_set_ops(struct rte_eth_dev *dev) 1826 { 1827 /* 1828 * Device private data has really many process-local pointers. 1829 * Below code should be extremely careful to use data located 1830 * in shared memory only. 1831 */ 1832 struct sfc_adapter *sa = dev->data->dev_private; 1833 const struct sfc_dp_rx *dp_rx; 1834 const struct sfc_dp_tx *dp_tx; 1835 int rc; 1836 1837 dp_rx = sfc_dp_find_rx_by_name(&sfc_dp_head, sa->dp_rx_name); 1838 if (dp_rx == NULL) { 1839 sfc_err(sa, "cannot find %s Rx datapath", sa->dp_tx_name); 1840 rc = ENOENT; 1841 goto fail_dp_rx; 1842 } 1843 if (~dp_rx->features & SFC_DP_RX_FEAT_MULTI_PROCESS) { 1844 sfc_err(sa, "%s Rx datapath does not support multi-process", 1845 sa->dp_tx_name); 1846 rc = EINVAL; 1847 goto fail_dp_rx_multi_process; 1848 } 1849 1850 dp_tx = sfc_dp_find_tx_by_name(&sfc_dp_head, sa->dp_tx_name); 1851 if (dp_tx == NULL) { 1852 sfc_err(sa, "cannot find %s Tx datapath", sa->dp_tx_name); 1853 rc = ENOENT; 1854 goto fail_dp_tx; 1855 } 1856 if (~dp_tx->features & SFC_DP_TX_FEAT_MULTI_PROCESS) { 1857 sfc_err(sa, "%s Tx datapath does not support multi-process", 1858 sa->dp_tx_name); 1859 rc = EINVAL; 1860 goto fail_dp_tx_multi_process; 1861 } 1862 1863 dev->rx_pkt_burst = dp_rx->pkt_burst; 1864 dev->tx_pkt_burst = dp_tx->pkt_burst; 1865 dev->dev_ops = &sfc_eth_dev_secondary_ops; 1866 1867 return 0; 1868 1869 fail_dp_tx_multi_process: 1870 fail_dp_tx: 1871 fail_dp_rx_multi_process: 1872 fail_dp_rx: 1873 return rc; 1874 } 1875 1876 static void 1877 sfc_eth_dev_secondary_clear_ops(struct rte_eth_dev *dev) 1878 { 1879 dev->dev_ops = NULL; 1880 dev->tx_pkt_burst = NULL; 1881 dev->rx_pkt_burst = NULL; 1882 } 1883 1884 static void 1885 sfc_register_dp(void) 1886 { 1887 /* Register once */ 1888 if (TAILQ_EMPTY(&sfc_dp_head)) { 1889 /* Prefer EF10 datapath */ 1890 sfc_dp_register(&sfc_dp_head, &sfc_ef10_rx.dp); 1891 sfc_dp_register(&sfc_dp_head, &sfc_efx_rx.dp); 1892 1893 sfc_dp_register(&sfc_dp_head, &sfc_ef10_tx.dp); 1894 sfc_dp_register(&sfc_dp_head, &sfc_efx_tx.dp); 1895 sfc_dp_register(&sfc_dp_head, &sfc_ef10_simple_tx.dp); 1896 } 1897 } 1898 1899 static int 1900 sfc_eth_dev_init(struct rte_eth_dev *dev) 1901 { 1902 struct sfc_adapter *sa = dev->data->dev_private; 1903 struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev); 1904 int rc; 1905 const efx_nic_cfg_t *encp; 1906 const struct ether_addr *from; 1907 1908 sfc_register_dp(); 1909 1910 if (rte_eal_process_type() != RTE_PROC_PRIMARY) 1911 return -sfc_eth_dev_secondary_set_ops(dev); 1912 1913 /* Required for logging */ 1914 sa->pci_addr = pci_dev->addr; 1915 sa->port_id = dev->data->port_id; 1916 1917 sa->eth_dev = dev; 1918 1919 /* Copy PCI device info to the dev->data */ 1920 rte_eth_copy_pci_info(dev, pci_dev); 1921 1922 rc = sfc_kvargs_parse(sa); 1923 if (rc != 0) 1924 goto fail_kvargs_parse; 1925 1926 rc = sfc_kvargs_process(sa, SFC_KVARG_DEBUG_INIT, 1927 sfc_kvarg_bool_handler, &sa->debug_init); 1928 if (rc != 0) 1929 goto fail_kvarg_debug_init; 1930 1931 sfc_log_init(sa, "entry"); 1932 1933 dev->data->mac_addrs = rte_zmalloc("sfc", ETHER_ADDR_LEN, 0); 1934 if (dev->data->mac_addrs == NULL) { 1935 rc = ENOMEM; 1936 goto fail_mac_addrs; 1937 } 1938 1939 sfc_adapter_lock_init(sa); 1940 sfc_adapter_lock(sa); 1941 1942 sfc_log_init(sa, "probing"); 1943 rc = sfc_probe(sa); 1944 if (rc != 0) 1945 goto fail_probe; 1946 1947 sfc_log_init(sa, "set device ops"); 1948 rc = sfc_eth_dev_set_ops(dev); 1949 if (rc != 0) 1950 goto fail_set_ops; 1951 1952 sfc_log_init(sa, "attaching"); 1953 rc = sfc_attach(sa); 1954 if (rc != 0) 1955 goto fail_attach; 1956 1957 encp = efx_nic_cfg_get(sa->nic); 1958 1959 /* 1960 * The arguments are really reverse order in comparison to 1961 * Linux kernel. Copy from NIC config to Ethernet device data. 1962 */ 1963 from = (const struct ether_addr *)(encp->enc_mac_addr); 1964 ether_addr_copy(from, &dev->data->mac_addrs[0]); 1965 1966 sfc_adapter_unlock(sa); 1967 1968 sfc_log_init(sa, "done"); 1969 return 0; 1970 1971 fail_attach: 1972 sfc_eth_dev_clear_ops(dev); 1973 1974 fail_set_ops: 1975 sfc_unprobe(sa); 1976 1977 fail_probe: 1978 sfc_adapter_unlock(sa); 1979 sfc_adapter_lock_fini(sa); 1980 rte_free(dev->data->mac_addrs); 1981 dev->data->mac_addrs = NULL; 1982 1983 fail_mac_addrs: 1984 fail_kvarg_debug_init: 1985 sfc_kvargs_cleanup(sa); 1986 1987 fail_kvargs_parse: 1988 sfc_log_init(sa, "failed %d", rc); 1989 SFC_ASSERT(rc > 0); 1990 return -rc; 1991 } 1992 1993 static int 1994 sfc_eth_dev_uninit(struct rte_eth_dev *dev) 1995 { 1996 struct sfc_adapter *sa; 1997 1998 if (rte_eal_process_type() != RTE_PROC_PRIMARY) { 1999 sfc_eth_dev_secondary_clear_ops(dev); 2000 return 0; 2001 } 2002 2003 sa = dev->data->dev_private; 2004 sfc_log_init(sa, "entry"); 2005 2006 sfc_adapter_lock(sa); 2007 2008 sfc_eth_dev_clear_ops(dev); 2009 2010 sfc_detach(sa); 2011 sfc_unprobe(sa); 2012 2013 rte_free(dev->data->mac_addrs); 2014 dev->data->mac_addrs = NULL; 2015 2016 sfc_kvargs_cleanup(sa); 2017 2018 sfc_adapter_unlock(sa); 2019 sfc_adapter_lock_fini(sa); 2020 2021 sfc_log_init(sa, "done"); 2022 2023 /* Required for logging, so cleanup last */ 2024 sa->eth_dev = NULL; 2025 return 0; 2026 } 2027 2028 static const struct rte_pci_id pci_id_sfc_efx_map[] = { 2029 { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_FARMINGDALE) }, 2030 { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_FARMINGDALE_VF) }, 2031 { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_GREENPORT) }, 2032 { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_GREENPORT_VF) }, 2033 { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_MEDFORD) }, 2034 { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_MEDFORD_VF) }, 2035 { .vendor_id = 0 /* sentinel */ } 2036 }; 2037 2038 static int sfc_eth_dev_pci_probe(struct rte_pci_driver *pci_drv __rte_unused, 2039 struct rte_pci_device *pci_dev) 2040 { 2041 return rte_eth_dev_pci_generic_probe(pci_dev, 2042 sizeof(struct sfc_adapter), sfc_eth_dev_init); 2043 } 2044 2045 static int sfc_eth_dev_pci_remove(struct rte_pci_device *pci_dev) 2046 { 2047 return rte_eth_dev_pci_generic_remove(pci_dev, sfc_eth_dev_uninit); 2048 } 2049 2050 static struct rte_pci_driver sfc_efx_pmd = { 2051 .id_table = pci_id_sfc_efx_map, 2052 .drv_flags = 2053 RTE_PCI_DRV_INTR_LSC | 2054 RTE_PCI_DRV_NEED_MAPPING, 2055 .probe = sfc_eth_dev_pci_probe, 2056 .remove = sfc_eth_dev_pci_remove, 2057 }; 2058 2059 RTE_PMD_REGISTER_PCI(net_sfc_efx, sfc_efx_pmd); 2060 RTE_PMD_REGISTER_PCI_TABLE(net_sfc_efx, pci_id_sfc_efx_map); 2061 RTE_PMD_REGISTER_KMOD_DEP(net_sfc_efx, "* igb_uio | uio_pci_generic | vfio-pci"); 2062 RTE_PMD_REGISTER_PARAM_STRING(net_sfc_efx, 2063 SFC_KVARG_RX_DATAPATH "=" SFC_KVARG_VALUES_RX_DATAPATH " " 2064 SFC_KVARG_TX_DATAPATH "=" SFC_KVARG_VALUES_TX_DATAPATH " " 2065 SFC_KVARG_PERF_PROFILE "=" SFC_KVARG_VALUES_PERF_PROFILE " " 2066 SFC_KVARG_STATS_UPDATE_PERIOD_MS "=<long> " 2067 SFC_KVARG_MCDI_LOGGING "=" SFC_KVARG_VALUES_BOOL " " 2068 SFC_KVARG_DEBUG_INIT "=" SFC_KVARG_VALUES_BOOL); 2069