1 /* SPDX-License-Identifier: BSD-3-Clause 2 * 3 * Copyright (c) 2016-2018 Solarflare Communications Inc. 4 * All rights reserved. 5 * 6 * This software was jointly developed between OKTET Labs (under contract 7 * for Solarflare) and Solarflare Communications, Inc. 8 */ 9 10 #include <rte_dev.h> 11 #include <rte_ethdev_driver.h> 12 #include <rte_ethdev_pci.h> 13 #include <rte_pci.h> 14 #include <rte_bus_pci.h> 15 #include <rte_errno.h> 16 17 #include "efx.h" 18 19 #include "sfc.h" 20 #include "sfc_debug.h" 21 #include "sfc_log.h" 22 #include "sfc_kvargs.h" 23 #include "sfc_ev.h" 24 #include "sfc_rx.h" 25 #include "sfc_tx.h" 26 #include "sfc_flow.h" 27 #include "sfc_dp.h" 28 #include "sfc_dp_rx.h" 29 30 uint32_t sfc_logtype_driver; 31 32 static struct sfc_dp_list sfc_dp_head = 33 TAILQ_HEAD_INITIALIZER(sfc_dp_head); 34 35 static int 36 sfc_fw_version_get(struct rte_eth_dev *dev, char *fw_version, size_t fw_size) 37 { 38 struct sfc_adapter *sa = dev->data->dev_private; 39 efx_nic_fw_info_t enfi; 40 int ret; 41 int rc; 42 43 /* 44 * Return value of the callback is likely supposed to be 45 * equal to or greater than 0, nevertheless, if an error 46 * occurs, it will be desirable to pass it to the caller 47 */ 48 if ((fw_version == NULL) || (fw_size == 0)) 49 return -EINVAL; 50 51 rc = efx_nic_get_fw_version(sa->nic, &enfi); 52 if (rc != 0) 53 return -rc; 54 55 ret = snprintf(fw_version, fw_size, 56 "%" PRIu16 ".%" PRIu16 ".%" PRIu16 ".%" PRIu16, 57 enfi.enfi_mc_fw_version[0], enfi.enfi_mc_fw_version[1], 58 enfi.enfi_mc_fw_version[2], enfi.enfi_mc_fw_version[3]); 59 if (ret < 0) 60 return ret; 61 62 if (enfi.enfi_dpcpu_fw_ids_valid) { 63 size_t dpcpu_fw_ids_offset = MIN(fw_size - 1, (size_t)ret); 64 int ret_extra; 65 66 ret_extra = snprintf(fw_version + dpcpu_fw_ids_offset, 67 fw_size - dpcpu_fw_ids_offset, 68 " rx%" PRIx16 " tx%" PRIx16, 69 enfi.enfi_rx_dpcpu_fw_id, 70 enfi.enfi_tx_dpcpu_fw_id); 71 if (ret_extra < 0) 72 return ret_extra; 73 74 ret += ret_extra; 75 } 76 77 if (fw_size < (size_t)(++ret)) 78 return ret; 79 else 80 return 0; 81 } 82 83 static void 84 sfc_dev_infos_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info) 85 { 86 struct sfc_adapter *sa = dev->data->dev_private; 87 const efx_nic_cfg_t *encp = efx_nic_cfg_get(sa->nic); 88 uint64_t txq_offloads_def = 0; 89 90 sfc_log_init(sa, "entry"); 91 92 dev_info->max_rx_pktlen = EFX_MAC_PDU_MAX; 93 94 /* Autonegotiation may be disabled */ 95 dev_info->speed_capa = ETH_LINK_SPEED_FIXED; 96 if (sa->port.phy_adv_cap_mask & EFX_PHY_CAP_1000FDX) 97 dev_info->speed_capa |= ETH_LINK_SPEED_1G; 98 if (sa->port.phy_adv_cap_mask & EFX_PHY_CAP_10000FDX) 99 dev_info->speed_capa |= ETH_LINK_SPEED_10G; 100 if (sa->port.phy_adv_cap_mask & EFX_PHY_CAP_25000FDX) 101 dev_info->speed_capa |= ETH_LINK_SPEED_25G; 102 if (sa->port.phy_adv_cap_mask & EFX_PHY_CAP_40000FDX) 103 dev_info->speed_capa |= ETH_LINK_SPEED_40G; 104 if (sa->port.phy_adv_cap_mask & EFX_PHY_CAP_50000FDX) 105 dev_info->speed_capa |= ETH_LINK_SPEED_50G; 106 if (sa->port.phy_adv_cap_mask & EFX_PHY_CAP_100000FDX) 107 dev_info->speed_capa |= ETH_LINK_SPEED_100G; 108 109 dev_info->max_rx_queues = sa->rxq_max; 110 dev_info->max_tx_queues = sa->txq_max; 111 112 /* By default packets are dropped if no descriptors are available */ 113 dev_info->default_rxconf.rx_drop_en = 1; 114 115 dev_info->rx_queue_offload_capa = sfc_rx_get_queue_offload_caps(sa); 116 117 /* 118 * rx_offload_capa includes both device and queue offloads since 119 * the latter may be requested on a per device basis which makes 120 * sense when some offloads are needed to be set on all queues. 121 */ 122 dev_info->rx_offload_capa = sfc_rx_get_dev_offload_caps(sa) | 123 dev_info->rx_queue_offload_capa; 124 125 dev_info->tx_queue_offload_capa = sfc_tx_get_queue_offload_caps(sa); 126 127 /* 128 * tx_offload_capa includes both device and queue offloads since 129 * the latter may be requested on a per device basis which makes 130 * sense when some offloads are needed to be set on all queues. 131 */ 132 dev_info->tx_offload_capa = sfc_tx_get_dev_offload_caps(sa) | 133 dev_info->tx_queue_offload_capa; 134 135 if (dev_info->tx_offload_capa & DEV_TX_OFFLOAD_MBUF_FAST_FREE) 136 txq_offloads_def |= DEV_TX_OFFLOAD_MBUF_FAST_FREE; 137 138 dev_info->default_txconf.offloads |= txq_offloads_def; 139 140 dev_info->default_txconf.txq_flags = ETH_TXQ_FLAGS_NOXSUMSCTP; 141 if ((~sa->dp_tx->features & SFC_DP_TX_FEAT_VLAN_INSERT) || 142 !encp->enc_hw_tx_insert_vlan_enabled) 143 dev_info->default_txconf.txq_flags |= ETH_TXQ_FLAGS_NOVLANOFFL; 144 145 if (~sa->dp_tx->features & SFC_DP_TX_FEAT_MULTI_SEG) 146 dev_info->default_txconf.txq_flags |= ETH_TXQ_FLAGS_NOMULTSEGS; 147 148 if (~sa->dp_tx->features & SFC_DP_TX_FEAT_MULTI_POOL) 149 dev_info->default_txconf.txq_flags |= ETH_TXQ_FLAGS_NOMULTMEMP; 150 151 if (~sa->dp_tx->features & SFC_DP_TX_FEAT_REFCNT) 152 dev_info->default_txconf.txq_flags |= ETH_TXQ_FLAGS_NOREFCOUNT; 153 154 if (sa->rss_support != EFX_RX_SCALE_UNAVAILABLE) { 155 dev_info->reta_size = EFX_RSS_TBL_SIZE; 156 dev_info->hash_key_size = EFX_RSS_KEY_SIZE; 157 dev_info->flow_type_rss_offloads = SFC_RSS_OFFLOADS; 158 } 159 160 /* Initialize to hardware limits */ 161 dev_info->rx_desc_lim.nb_max = EFX_RXQ_MAXNDESCS; 162 dev_info->rx_desc_lim.nb_min = EFX_RXQ_MINNDESCS; 163 /* The RXQ hardware requires that the descriptor count is a power 164 * of 2, but rx_desc_lim cannot properly describe that constraint. 165 */ 166 dev_info->rx_desc_lim.nb_align = EFX_RXQ_MINNDESCS; 167 168 /* Initialize to hardware limits */ 169 dev_info->tx_desc_lim.nb_max = sa->txq_max_entries; 170 dev_info->tx_desc_lim.nb_min = EFX_TXQ_MINNDESCS; 171 /* 172 * The TXQ hardware requires that the descriptor count is a power 173 * of 2, but tx_desc_lim cannot properly describe that constraint 174 */ 175 dev_info->tx_desc_lim.nb_align = EFX_TXQ_MINNDESCS; 176 177 if (sa->dp_rx->get_dev_info != NULL) 178 sa->dp_rx->get_dev_info(dev_info); 179 if (sa->dp_tx->get_dev_info != NULL) 180 sa->dp_tx->get_dev_info(dev_info); 181 } 182 183 static const uint32_t * 184 sfc_dev_supported_ptypes_get(struct rte_eth_dev *dev) 185 { 186 struct sfc_adapter *sa = dev->data->dev_private; 187 const efx_nic_cfg_t *encp = efx_nic_cfg_get(sa->nic); 188 uint32_t tunnel_encaps = encp->enc_tunnel_encapsulations_supported; 189 190 return sa->dp_rx->supported_ptypes_get(tunnel_encaps); 191 } 192 193 static int 194 sfc_dev_configure(struct rte_eth_dev *dev) 195 { 196 struct rte_eth_dev_data *dev_data = dev->data; 197 struct sfc_adapter *sa = dev_data->dev_private; 198 int rc; 199 200 sfc_log_init(sa, "entry n_rxq=%u n_txq=%u", 201 dev_data->nb_rx_queues, dev_data->nb_tx_queues); 202 203 sfc_adapter_lock(sa); 204 switch (sa->state) { 205 case SFC_ADAPTER_CONFIGURED: 206 /* FALLTHROUGH */ 207 case SFC_ADAPTER_INITIALIZED: 208 rc = sfc_configure(sa); 209 break; 210 default: 211 sfc_err(sa, "unexpected adapter state %u to configure", 212 sa->state); 213 rc = EINVAL; 214 break; 215 } 216 sfc_adapter_unlock(sa); 217 218 sfc_log_init(sa, "done %d", rc); 219 SFC_ASSERT(rc >= 0); 220 return -rc; 221 } 222 223 static int 224 sfc_dev_start(struct rte_eth_dev *dev) 225 { 226 struct sfc_adapter *sa = dev->data->dev_private; 227 int rc; 228 229 sfc_log_init(sa, "entry"); 230 231 sfc_adapter_lock(sa); 232 rc = sfc_start(sa); 233 sfc_adapter_unlock(sa); 234 235 sfc_log_init(sa, "done %d", rc); 236 SFC_ASSERT(rc >= 0); 237 return -rc; 238 } 239 240 static int 241 sfc_dev_link_update(struct rte_eth_dev *dev, int wait_to_complete) 242 { 243 struct sfc_adapter *sa = dev->data->dev_private; 244 struct rte_eth_link current_link; 245 int ret; 246 247 sfc_log_init(sa, "entry"); 248 249 if (sa->state != SFC_ADAPTER_STARTED) { 250 sfc_port_link_mode_to_info(EFX_LINK_UNKNOWN, ¤t_link); 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 } else { 259 sfc_ev_mgmt_qpoll(sa); 260 rte_eth_linkstatus_get(dev, ¤t_link); 261 } 262 263 ret = rte_eth_linkstatus_set(dev, ¤t_link); 264 if (ret == 0) 265 sfc_notice(sa, "Link status is %s", 266 current_link.link_status ? "UP" : "DOWN"); 267 268 return ret; 269 } 270 271 static void 272 sfc_dev_stop(struct rte_eth_dev *dev) 273 { 274 struct sfc_adapter *sa = dev->data->dev_private; 275 276 sfc_log_init(sa, "entry"); 277 278 sfc_adapter_lock(sa); 279 sfc_stop(sa); 280 sfc_adapter_unlock(sa); 281 282 sfc_log_init(sa, "done"); 283 } 284 285 static int 286 sfc_dev_set_link_up(struct rte_eth_dev *dev) 287 { 288 struct sfc_adapter *sa = dev->data->dev_private; 289 int rc; 290 291 sfc_log_init(sa, "entry"); 292 293 sfc_adapter_lock(sa); 294 rc = sfc_start(sa); 295 sfc_adapter_unlock(sa); 296 297 SFC_ASSERT(rc >= 0); 298 return -rc; 299 } 300 301 static int 302 sfc_dev_set_link_down(struct rte_eth_dev *dev) 303 { 304 struct sfc_adapter *sa = dev->data->dev_private; 305 306 sfc_log_init(sa, "entry"); 307 308 sfc_adapter_lock(sa); 309 sfc_stop(sa); 310 sfc_adapter_unlock(sa); 311 312 return 0; 313 } 314 315 static void 316 sfc_dev_close(struct rte_eth_dev *dev) 317 { 318 struct sfc_adapter *sa = dev->data->dev_private; 319 320 sfc_log_init(sa, "entry"); 321 322 sfc_adapter_lock(sa); 323 switch (sa->state) { 324 case SFC_ADAPTER_STARTED: 325 sfc_stop(sa); 326 SFC_ASSERT(sa->state == SFC_ADAPTER_CONFIGURED); 327 /* FALLTHROUGH */ 328 case SFC_ADAPTER_CONFIGURED: 329 sfc_close(sa); 330 SFC_ASSERT(sa->state == SFC_ADAPTER_INITIALIZED); 331 /* FALLTHROUGH */ 332 case SFC_ADAPTER_INITIALIZED: 333 break; 334 default: 335 sfc_err(sa, "unexpected adapter state %u on close", sa->state); 336 break; 337 } 338 sfc_adapter_unlock(sa); 339 340 sfc_log_init(sa, "done"); 341 } 342 343 static void 344 sfc_dev_filter_set(struct rte_eth_dev *dev, enum sfc_dev_filter_mode mode, 345 boolean_t enabled) 346 { 347 struct sfc_port *port; 348 boolean_t *toggle; 349 struct sfc_adapter *sa = dev->data->dev_private; 350 boolean_t allmulti = (mode == SFC_DEV_FILTER_MODE_ALLMULTI); 351 const char *desc = (allmulti) ? "all-multi" : "promiscuous"; 352 353 sfc_adapter_lock(sa); 354 355 port = &sa->port; 356 toggle = (allmulti) ? (&port->allmulti) : (&port->promisc); 357 358 if (*toggle != enabled) { 359 *toggle = enabled; 360 361 if (port->isolated) { 362 sfc_warn(sa, "isolated mode is active on the port"); 363 sfc_warn(sa, "the change is to be applied on the next " 364 "start provided that isolated mode is " 365 "disabled prior the next start"); 366 } else if ((sa->state == SFC_ADAPTER_STARTED) && 367 (sfc_set_rx_mode(sa) != 0)) { 368 *toggle = !(enabled); 369 sfc_warn(sa, "Failed to %s %s mode", 370 ((enabled) ? "enable" : "disable"), desc); 371 } 372 } 373 374 sfc_adapter_unlock(sa); 375 } 376 377 static void 378 sfc_dev_promisc_enable(struct rte_eth_dev *dev) 379 { 380 sfc_dev_filter_set(dev, SFC_DEV_FILTER_MODE_PROMISC, B_TRUE); 381 } 382 383 static void 384 sfc_dev_promisc_disable(struct rte_eth_dev *dev) 385 { 386 sfc_dev_filter_set(dev, SFC_DEV_FILTER_MODE_PROMISC, B_FALSE); 387 } 388 389 static void 390 sfc_dev_allmulti_enable(struct rte_eth_dev *dev) 391 { 392 sfc_dev_filter_set(dev, SFC_DEV_FILTER_MODE_ALLMULTI, B_TRUE); 393 } 394 395 static void 396 sfc_dev_allmulti_disable(struct rte_eth_dev *dev) 397 { 398 sfc_dev_filter_set(dev, SFC_DEV_FILTER_MODE_ALLMULTI, B_FALSE); 399 } 400 401 static int 402 sfc_rx_queue_setup(struct rte_eth_dev *dev, uint16_t rx_queue_id, 403 uint16_t nb_rx_desc, unsigned int socket_id, 404 const struct rte_eth_rxconf *rx_conf, 405 struct rte_mempool *mb_pool) 406 { 407 struct sfc_adapter *sa = dev->data->dev_private; 408 int rc; 409 410 sfc_log_init(sa, "RxQ=%u nb_rx_desc=%u socket_id=%u", 411 rx_queue_id, nb_rx_desc, socket_id); 412 413 sfc_adapter_lock(sa); 414 415 rc = sfc_rx_qinit(sa, rx_queue_id, nb_rx_desc, socket_id, 416 rx_conf, mb_pool); 417 if (rc != 0) 418 goto fail_rx_qinit; 419 420 dev->data->rx_queues[rx_queue_id] = sa->rxq_info[rx_queue_id].rxq->dp; 421 422 sfc_adapter_unlock(sa); 423 424 return 0; 425 426 fail_rx_qinit: 427 sfc_adapter_unlock(sa); 428 SFC_ASSERT(rc > 0); 429 return -rc; 430 } 431 432 static void 433 sfc_rx_queue_release(void *queue) 434 { 435 struct sfc_dp_rxq *dp_rxq = queue; 436 struct sfc_rxq *rxq; 437 struct sfc_adapter *sa; 438 unsigned int sw_index; 439 440 if (dp_rxq == NULL) 441 return; 442 443 rxq = sfc_rxq_by_dp_rxq(dp_rxq); 444 sa = rxq->evq->sa; 445 sfc_adapter_lock(sa); 446 447 sw_index = sfc_rxq_sw_index(rxq); 448 449 sfc_log_init(sa, "RxQ=%u", sw_index); 450 451 sa->eth_dev->data->rx_queues[sw_index] = NULL; 452 453 sfc_rx_qfini(sa, sw_index); 454 455 sfc_adapter_unlock(sa); 456 } 457 458 static int 459 sfc_tx_queue_setup(struct rte_eth_dev *dev, uint16_t tx_queue_id, 460 uint16_t nb_tx_desc, unsigned int socket_id, 461 const struct rte_eth_txconf *tx_conf) 462 { 463 struct sfc_adapter *sa = dev->data->dev_private; 464 int rc; 465 466 sfc_log_init(sa, "TxQ = %u, nb_tx_desc = %u, socket_id = %u", 467 tx_queue_id, nb_tx_desc, socket_id); 468 469 sfc_adapter_lock(sa); 470 471 rc = sfc_tx_qinit(sa, tx_queue_id, nb_tx_desc, socket_id, tx_conf); 472 if (rc != 0) 473 goto fail_tx_qinit; 474 475 dev->data->tx_queues[tx_queue_id] = sa->txq_info[tx_queue_id].txq->dp; 476 477 sfc_adapter_unlock(sa); 478 return 0; 479 480 fail_tx_qinit: 481 sfc_adapter_unlock(sa); 482 SFC_ASSERT(rc > 0); 483 return -rc; 484 } 485 486 static void 487 sfc_tx_queue_release(void *queue) 488 { 489 struct sfc_dp_txq *dp_txq = queue; 490 struct sfc_txq *txq; 491 unsigned int sw_index; 492 struct sfc_adapter *sa; 493 494 if (dp_txq == NULL) 495 return; 496 497 txq = sfc_txq_by_dp_txq(dp_txq); 498 sw_index = sfc_txq_sw_index(txq); 499 500 SFC_ASSERT(txq->evq != NULL); 501 sa = txq->evq->sa; 502 503 sfc_log_init(sa, "TxQ = %u", sw_index); 504 505 sfc_adapter_lock(sa); 506 507 SFC_ASSERT(sw_index < sa->eth_dev->data->nb_tx_queues); 508 sa->eth_dev->data->tx_queues[sw_index] = NULL; 509 510 sfc_tx_qfini(sa, sw_index); 511 512 sfc_adapter_unlock(sa); 513 } 514 515 static int 516 sfc_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats) 517 { 518 struct sfc_adapter *sa = dev->data->dev_private; 519 struct sfc_port *port = &sa->port; 520 uint64_t *mac_stats; 521 int ret; 522 523 rte_spinlock_lock(&port->mac_stats_lock); 524 525 ret = sfc_port_update_mac_stats(sa); 526 if (ret != 0) 527 goto unlock; 528 529 mac_stats = port->mac_stats_buf; 530 531 if (EFX_MAC_STAT_SUPPORTED(port->mac_stats_mask, 532 EFX_MAC_VADAPTER_RX_UNICAST_PACKETS)) { 533 stats->ipackets = 534 mac_stats[EFX_MAC_VADAPTER_RX_UNICAST_PACKETS] + 535 mac_stats[EFX_MAC_VADAPTER_RX_MULTICAST_PACKETS] + 536 mac_stats[EFX_MAC_VADAPTER_RX_BROADCAST_PACKETS]; 537 stats->opackets = 538 mac_stats[EFX_MAC_VADAPTER_TX_UNICAST_PACKETS] + 539 mac_stats[EFX_MAC_VADAPTER_TX_MULTICAST_PACKETS] + 540 mac_stats[EFX_MAC_VADAPTER_TX_BROADCAST_PACKETS]; 541 stats->ibytes = 542 mac_stats[EFX_MAC_VADAPTER_RX_UNICAST_BYTES] + 543 mac_stats[EFX_MAC_VADAPTER_RX_MULTICAST_BYTES] + 544 mac_stats[EFX_MAC_VADAPTER_RX_BROADCAST_BYTES]; 545 stats->obytes = 546 mac_stats[EFX_MAC_VADAPTER_TX_UNICAST_BYTES] + 547 mac_stats[EFX_MAC_VADAPTER_TX_MULTICAST_BYTES] + 548 mac_stats[EFX_MAC_VADAPTER_TX_BROADCAST_BYTES]; 549 stats->imissed = mac_stats[EFX_MAC_VADAPTER_RX_OVERFLOW]; 550 stats->ierrors = mac_stats[EFX_MAC_VADAPTER_RX_BAD_PACKETS]; 551 stats->oerrors = mac_stats[EFX_MAC_VADAPTER_TX_BAD_PACKETS]; 552 } else { 553 stats->ipackets = mac_stats[EFX_MAC_RX_PKTS]; 554 stats->opackets = mac_stats[EFX_MAC_TX_PKTS]; 555 stats->ibytes = mac_stats[EFX_MAC_RX_OCTETS]; 556 stats->obytes = mac_stats[EFX_MAC_TX_OCTETS]; 557 /* 558 * Take into account stats which are whenever supported 559 * on EF10. If some stat is not supported by current 560 * firmware variant or HW revision, it is guaranteed 561 * to be zero in mac_stats. 562 */ 563 stats->imissed = 564 mac_stats[EFX_MAC_RX_NODESC_DROP_CNT] + 565 mac_stats[EFX_MAC_PM_TRUNC_BB_OVERFLOW] + 566 mac_stats[EFX_MAC_PM_DISCARD_BB_OVERFLOW] + 567 mac_stats[EFX_MAC_PM_TRUNC_VFIFO_FULL] + 568 mac_stats[EFX_MAC_PM_DISCARD_VFIFO_FULL] + 569 mac_stats[EFX_MAC_PM_TRUNC_QBB] + 570 mac_stats[EFX_MAC_PM_DISCARD_QBB] + 571 mac_stats[EFX_MAC_PM_DISCARD_MAPPING] + 572 mac_stats[EFX_MAC_RXDP_Q_DISABLED_PKTS] + 573 mac_stats[EFX_MAC_RXDP_DI_DROPPED_PKTS]; 574 stats->ierrors = 575 mac_stats[EFX_MAC_RX_FCS_ERRORS] + 576 mac_stats[EFX_MAC_RX_ALIGN_ERRORS] + 577 mac_stats[EFX_MAC_RX_JABBER_PKTS]; 578 /* no oerrors counters supported on EF10 */ 579 } 580 581 unlock: 582 rte_spinlock_unlock(&port->mac_stats_lock); 583 SFC_ASSERT(ret >= 0); 584 return -ret; 585 } 586 587 static void 588 sfc_stats_reset(struct rte_eth_dev *dev) 589 { 590 struct sfc_adapter *sa = dev->data->dev_private; 591 struct sfc_port *port = &sa->port; 592 int rc; 593 594 if (sa->state != SFC_ADAPTER_STARTED) { 595 /* 596 * The operation cannot be done if port is not started; it 597 * will be scheduled to be done during the next port start 598 */ 599 port->mac_stats_reset_pending = B_TRUE; 600 return; 601 } 602 603 rc = sfc_port_reset_mac_stats(sa); 604 if (rc != 0) 605 sfc_err(sa, "failed to reset statistics (rc = %d)", rc); 606 } 607 608 static int 609 sfc_xstats_get(struct rte_eth_dev *dev, struct rte_eth_xstat *xstats, 610 unsigned int xstats_count) 611 { 612 struct sfc_adapter *sa = dev->data->dev_private; 613 struct sfc_port *port = &sa->port; 614 uint64_t *mac_stats; 615 int rc; 616 unsigned int i; 617 int nstats = 0; 618 619 rte_spinlock_lock(&port->mac_stats_lock); 620 621 rc = sfc_port_update_mac_stats(sa); 622 if (rc != 0) { 623 SFC_ASSERT(rc > 0); 624 nstats = -rc; 625 goto unlock; 626 } 627 628 mac_stats = port->mac_stats_buf; 629 630 for (i = 0; i < EFX_MAC_NSTATS; ++i) { 631 if (EFX_MAC_STAT_SUPPORTED(port->mac_stats_mask, i)) { 632 if (xstats != NULL && nstats < (int)xstats_count) { 633 xstats[nstats].id = nstats; 634 xstats[nstats].value = mac_stats[i]; 635 } 636 nstats++; 637 } 638 } 639 640 unlock: 641 rte_spinlock_unlock(&port->mac_stats_lock); 642 643 return nstats; 644 } 645 646 static int 647 sfc_xstats_get_names(struct rte_eth_dev *dev, 648 struct rte_eth_xstat_name *xstats_names, 649 unsigned int xstats_count) 650 { 651 struct sfc_adapter *sa = dev->data->dev_private; 652 struct sfc_port *port = &sa->port; 653 unsigned int i; 654 unsigned int nstats = 0; 655 656 for (i = 0; i < EFX_MAC_NSTATS; ++i) { 657 if (EFX_MAC_STAT_SUPPORTED(port->mac_stats_mask, i)) { 658 if (xstats_names != NULL && nstats < xstats_count) 659 strncpy(xstats_names[nstats].name, 660 efx_mac_stat_name(sa->nic, i), 661 sizeof(xstats_names[0].name)); 662 nstats++; 663 } 664 } 665 666 return nstats; 667 } 668 669 static int 670 sfc_xstats_get_by_id(struct rte_eth_dev *dev, const uint64_t *ids, 671 uint64_t *values, unsigned int n) 672 { 673 struct sfc_adapter *sa = dev->data->dev_private; 674 struct sfc_port *port = &sa->port; 675 uint64_t *mac_stats; 676 unsigned int nb_supported = 0; 677 unsigned int nb_written = 0; 678 unsigned int i; 679 int ret; 680 int rc; 681 682 if (unlikely(values == NULL) || 683 unlikely((ids == NULL) && (n < port->mac_stats_nb_supported))) 684 return port->mac_stats_nb_supported; 685 686 rte_spinlock_lock(&port->mac_stats_lock); 687 688 rc = sfc_port_update_mac_stats(sa); 689 if (rc != 0) { 690 SFC_ASSERT(rc > 0); 691 ret = -rc; 692 goto unlock; 693 } 694 695 mac_stats = port->mac_stats_buf; 696 697 for (i = 0; (i < EFX_MAC_NSTATS) && (nb_written < n); ++i) { 698 if (!EFX_MAC_STAT_SUPPORTED(port->mac_stats_mask, i)) 699 continue; 700 701 if ((ids == NULL) || (ids[nb_written] == nb_supported)) 702 values[nb_written++] = mac_stats[i]; 703 704 ++nb_supported; 705 } 706 707 ret = nb_written; 708 709 unlock: 710 rte_spinlock_unlock(&port->mac_stats_lock); 711 712 return ret; 713 } 714 715 static int 716 sfc_xstats_get_names_by_id(struct rte_eth_dev *dev, 717 struct rte_eth_xstat_name *xstats_names, 718 const uint64_t *ids, unsigned int size) 719 { 720 struct sfc_adapter *sa = dev->data->dev_private; 721 struct sfc_port *port = &sa->port; 722 unsigned int nb_supported = 0; 723 unsigned int nb_written = 0; 724 unsigned int i; 725 726 if (unlikely(xstats_names == NULL) || 727 unlikely((ids == NULL) && (size < port->mac_stats_nb_supported))) 728 return port->mac_stats_nb_supported; 729 730 for (i = 0; (i < EFX_MAC_NSTATS) && (nb_written < size); ++i) { 731 if (!EFX_MAC_STAT_SUPPORTED(port->mac_stats_mask, i)) 732 continue; 733 734 if ((ids == NULL) || (ids[nb_written] == nb_supported)) { 735 char *name = xstats_names[nb_written++].name; 736 737 strncpy(name, efx_mac_stat_name(sa->nic, i), 738 sizeof(xstats_names[0].name)); 739 name[sizeof(xstats_names[0].name) - 1] = '\0'; 740 } 741 742 ++nb_supported; 743 } 744 745 return nb_written; 746 } 747 748 static int 749 sfc_flow_ctrl_get(struct rte_eth_dev *dev, struct rte_eth_fc_conf *fc_conf) 750 { 751 struct sfc_adapter *sa = dev->data->dev_private; 752 unsigned int wanted_fc, link_fc; 753 754 memset(fc_conf, 0, sizeof(*fc_conf)); 755 756 sfc_adapter_lock(sa); 757 758 if (sa->state == SFC_ADAPTER_STARTED) 759 efx_mac_fcntl_get(sa->nic, &wanted_fc, &link_fc); 760 else 761 link_fc = sa->port.flow_ctrl; 762 763 switch (link_fc) { 764 case 0: 765 fc_conf->mode = RTE_FC_NONE; 766 break; 767 case EFX_FCNTL_RESPOND: 768 fc_conf->mode = RTE_FC_RX_PAUSE; 769 break; 770 case EFX_FCNTL_GENERATE: 771 fc_conf->mode = RTE_FC_TX_PAUSE; 772 break; 773 case (EFX_FCNTL_RESPOND | EFX_FCNTL_GENERATE): 774 fc_conf->mode = RTE_FC_FULL; 775 break; 776 default: 777 sfc_err(sa, "%s: unexpected flow control value %#x", 778 __func__, link_fc); 779 } 780 781 fc_conf->autoneg = sa->port.flow_ctrl_autoneg; 782 783 sfc_adapter_unlock(sa); 784 785 return 0; 786 } 787 788 static int 789 sfc_flow_ctrl_set(struct rte_eth_dev *dev, struct rte_eth_fc_conf *fc_conf) 790 { 791 struct sfc_adapter *sa = dev->data->dev_private; 792 struct sfc_port *port = &sa->port; 793 unsigned int fcntl; 794 int rc; 795 796 if (fc_conf->high_water != 0 || fc_conf->low_water != 0 || 797 fc_conf->pause_time != 0 || fc_conf->send_xon != 0 || 798 fc_conf->mac_ctrl_frame_fwd != 0) { 799 sfc_err(sa, "unsupported flow control settings specified"); 800 rc = EINVAL; 801 goto fail_inval; 802 } 803 804 switch (fc_conf->mode) { 805 case RTE_FC_NONE: 806 fcntl = 0; 807 break; 808 case RTE_FC_RX_PAUSE: 809 fcntl = EFX_FCNTL_RESPOND; 810 break; 811 case RTE_FC_TX_PAUSE: 812 fcntl = EFX_FCNTL_GENERATE; 813 break; 814 case RTE_FC_FULL: 815 fcntl = EFX_FCNTL_RESPOND | EFX_FCNTL_GENERATE; 816 break; 817 default: 818 rc = EINVAL; 819 goto fail_inval; 820 } 821 822 sfc_adapter_lock(sa); 823 824 if (sa->state == SFC_ADAPTER_STARTED) { 825 rc = efx_mac_fcntl_set(sa->nic, fcntl, fc_conf->autoneg); 826 if (rc != 0) 827 goto fail_mac_fcntl_set; 828 } 829 830 port->flow_ctrl = fcntl; 831 port->flow_ctrl_autoneg = fc_conf->autoneg; 832 833 sfc_adapter_unlock(sa); 834 835 return 0; 836 837 fail_mac_fcntl_set: 838 sfc_adapter_unlock(sa); 839 fail_inval: 840 SFC_ASSERT(rc > 0); 841 return -rc; 842 } 843 844 static int 845 sfc_dev_set_mtu(struct rte_eth_dev *dev, uint16_t mtu) 846 { 847 struct sfc_adapter *sa = dev->data->dev_private; 848 size_t pdu = EFX_MAC_PDU(mtu); 849 size_t old_pdu; 850 int rc; 851 852 sfc_log_init(sa, "mtu=%u", mtu); 853 854 rc = EINVAL; 855 if (pdu < EFX_MAC_PDU_MIN) { 856 sfc_err(sa, "too small MTU %u (PDU size %u less than min %u)", 857 (unsigned int)mtu, (unsigned int)pdu, 858 EFX_MAC_PDU_MIN); 859 goto fail_inval; 860 } 861 if (pdu > EFX_MAC_PDU_MAX) { 862 sfc_err(sa, "too big MTU %u (PDU size %u greater than max %u)", 863 (unsigned int)mtu, (unsigned int)pdu, 864 EFX_MAC_PDU_MAX); 865 goto fail_inval; 866 } 867 868 sfc_adapter_lock(sa); 869 870 if (pdu != sa->port.pdu) { 871 if (sa->state == SFC_ADAPTER_STARTED) { 872 sfc_stop(sa); 873 874 old_pdu = sa->port.pdu; 875 sa->port.pdu = pdu; 876 rc = sfc_start(sa); 877 if (rc != 0) 878 goto fail_start; 879 } else { 880 sa->port.pdu = pdu; 881 } 882 } 883 884 /* 885 * The driver does not use it, but other PMDs update jumbo_frame 886 * flag and max_rx_pkt_len when MTU is set. 887 */ 888 if (mtu > ETHER_MAX_LEN) { 889 struct rte_eth_rxmode *rxmode = &dev->data->dev_conf.rxmode; 890 891 rxmode->offloads |= DEV_RX_OFFLOAD_JUMBO_FRAME; 892 rxmode->jumbo_frame = 1; 893 } 894 895 dev->data->dev_conf.rxmode.max_rx_pkt_len = sa->port.pdu; 896 897 sfc_adapter_unlock(sa); 898 899 sfc_log_init(sa, "done"); 900 return 0; 901 902 fail_start: 903 sa->port.pdu = old_pdu; 904 if (sfc_start(sa) != 0) 905 sfc_err(sa, "cannot start with neither new (%u) nor old (%u) " 906 "PDU max size - port is stopped", 907 (unsigned int)pdu, (unsigned int)old_pdu); 908 sfc_adapter_unlock(sa); 909 910 fail_inval: 911 sfc_log_init(sa, "failed %d", rc); 912 SFC_ASSERT(rc > 0); 913 return -rc; 914 } 915 static int 916 sfc_mac_addr_set(struct rte_eth_dev *dev, struct ether_addr *mac_addr) 917 { 918 struct sfc_adapter *sa = dev->data->dev_private; 919 const efx_nic_cfg_t *encp = efx_nic_cfg_get(sa->nic); 920 struct sfc_port *port = &sa->port; 921 struct ether_addr *old_addr = &dev->data->mac_addrs[0]; 922 int rc = 0; 923 924 sfc_adapter_lock(sa); 925 926 /* 927 * Copy the address to the device private data so that 928 * it could be recalled in the case of adapter restart. 929 */ 930 ether_addr_copy(mac_addr, &port->default_mac_addr); 931 932 /* 933 * Neither of the two following checks can return 934 * an error. The new MAC address is preserved in 935 * the device private data and can be activated 936 * on the next port start if the user prevents 937 * isolated mode from being enabled. 938 */ 939 if (port->isolated) { 940 sfc_warn(sa, "isolated mode is active on the port"); 941 sfc_warn(sa, "will not set MAC address"); 942 goto unlock; 943 } 944 945 if (sa->state != SFC_ADAPTER_STARTED) { 946 sfc_notice(sa, "the port is not started"); 947 sfc_notice(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 /* Rollback the old address */ 968 (void)efx_mac_addr_set(sa->nic, old_addr->addr_bytes); 969 (void)sfc_set_rx_mode(sa); 970 } 971 } else { 972 sfc_warn(sa, "cannot set MAC address with filters installed"); 973 sfc_warn(sa, "adapter will be restarted to pick the new MAC"); 974 sfc_warn(sa, "(some traffic may be dropped)"); 975 976 /* 977 * Since setting MAC address with filters installed is not 978 * allowed on the adapter, the new MAC address will be set 979 * by means of adapter restart. sfc_start() shall retrieve 980 * the new address from the device private data and set it. 981 */ 982 sfc_stop(sa); 983 rc = sfc_start(sa); 984 if (rc != 0) 985 sfc_err(sa, "cannot restart adapter (rc = %u)", rc); 986 } 987 988 unlock: 989 if (rc != 0) 990 ether_addr_copy(old_addr, &port->default_mac_addr); 991 992 sfc_adapter_unlock(sa); 993 994 SFC_ASSERT(rc >= 0); 995 return -rc; 996 } 997 998 999 static int 1000 sfc_set_mc_addr_list(struct rte_eth_dev *dev, struct ether_addr *mc_addr_set, 1001 uint32_t nb_mc_addr) 1002 { 1003 struct sfc_adapter *sa = dev->data->dev_private; 1004 struct sfc_port *port = &sa->port; 1005 uint8_t *mc_addrs = port->mcast_addrs; 1006 int rc; 1007 unsigned int i; 1008 1009 if (port->isolated) { 1010 sfc_err(sa, "isolated mode is active on the port"); 1011 sfc_err(sa, "will not set multicast address list"); 1012 return -ENOTSUP; 1013 } 1014 1015 if (mc_addrs == NULL) 1016 return -ENOBUFS; 1017 1018 if (nb_mc_addr > port->max_mcast_addrs) { 1019 sfc_err(sa, "too many multicast addresses: %u > %u", 1020 nb_mc_addr, port->max_mcast_addrs); 1021 return -EINVAL; 1022 } 1023 1024 for (i = 0; i < nb_mc_addr; ++i) { 1025 rte_memcpy(mc_addrs, mc_addr_set[i].addr_bytes, 1026 EFX_MAC_ADDR_LEN); 1027 mc_addrs += EFX_MAC_ADDR_LEN; 1028 } 1029 1030 port->nb_mcast_addrs = nb_mc_addr; 1031 1032 if (sa->state != SFC_ADAPTER_STARTED) 1033 return 0; 1034 1035 rc = efx_mac_multicast_list_set(sa->nic, port->mcast_addrs, 1036 port->nb_mcast_addrs); 1037 if (rc != 0) 1038 sfc_err(sa, "cannot set multicast address list (rc = %u)", rc); 1039 1040 SFC_ASSERT(rc > 0); 1041 return -rc; 1042 } 1043 1044 /* 1045 * The function is used by the secondary process as well. It must not 1046 * use any process-local pointers from the adapter data. 1047 */ 1048 static void 1049 sfc_rx_queue_info_get(struct rte_eth_dev *dev, uint16_t rx_queue_id, 1050 struct rte_eth_rxq_info *qinfo) 1051 { 1052 struct sfc_adapter *sa = dev->data->dev_private; 1053 struct sfc_rxq_info *rxq_info; 1054 struct sfc_rxq *rxq; 1055 1056 sfc_adapter_lock(sa); 1057 1058 SFC_ASSERT(rx_queue_id < sa->rxq_count); 1059 1060 rxq_info = &sa->rxq_info[rx_queue_id]; 1061 rxq = rxq_info->rxq; 1062 SFC_ASSERT(rxq != NULL); 1063 1064 qinfo->mp = rxq->refill_mb_pool; 1065 qinfo->conf.rx_free_thresh = rxq->refill_threshold; 1066 qinfo->conf.rx_drop_en = 1; 1067 qinfo->conf.rx_deferred_start = rxq_info->deferred_start; 1068 qinfo->conf.offloads = DEV_RX_OFFLOAD_IPV4_CKSUM | 1069 DEV_RX_OFFLOAD_UDP_CKSUM | 1070 DEV_RX_OFFLOAD_TCP_CKSUM; 1071 if (rxq_info->type_flags & EFX_RXQ_FLAG_SCATTER) { 1072 qinfo->conf.offloads |= DEV_RX_OFFLOAD_SCATTER; 1073 qinfo->scattered_rx = 1; 1074 } 1075 qinfo->nb_desc = rxq_info->entries; 1076 1077 sfc_adapter_unlock(sa); 1078 } 1079 1080 /* 1081 * The function is used by the secondary process as well. It must not 1082 * use any process-local pointers from the adapter data. 1083 */ 1084 static void 1085 sfc_tx_queue_info_get(struct rte_eth_dev *dev, uint16_t tx_queue_id, 1086 struct rte_eth_txq_info *qinfo) 1087 { 1088 struct sfc_adapter *sa = dev->data->dev_private; 1089 struct sfc_txq_info *txq_info; 1090 1091 sfc_adapter_lock(sa); 1092 1093 SFC_ASSERT(tx_queue_id < sa->txq_count); 1094 1095 txq_info = &sa->txq_info[tx_queue_id]; 1096 SFC_ASSERT(txq_info->txq != NULL); 1097 1098 memset(qinfo, 0, sizeof(*qinfo)); 1099 1100 qinfo->conf.txq_flags = txq_info->txq->flags; 1101 qinfo->conf.offloads = txq_info->txq->offloads; 1102 qinfo->conf.tx_free_thresh = txq_info->txq->free_thresh; 1103 qinfo->conf.tx_deferred_start = txq_info->deferred_start; 1104 qinfo->nb_desc = txq_info->entries; 1105 1106 sfc_adapter_unlock(sa); 1107 } 1108 1109 static uint32_t 1110 sfc_rx_queue_count(struct rte_eth_dev *dev, uint16_t rx_queue_id) 1111 { 1112 struct sfc_adapter *sa = dev->data->dev_private; 1113 1114 sfc_log_init(sa, "RxQ=%u", rx_queue_id); 1115 1116 return sfc_rx_qdesc_npending(sa, rx_queue_id); 1117 } 1118 1119 static int 1120 sfc_rx_descriptor_done(void *queue, uint16_t offset) 1121 { 1122 struct sfc_dp_rxq *dp_rxq = queue; 1123 1124 return sfc_rx_qdesc_done(dp_rxq, offset); 1125 } 1126 1127 static int 1128 sfc_rx_descriptor_status(void *queue, uint16_t offset) 1129 { 1130 struct sfc_dp_rxq *dp_rxq = queue; 1131 struct sfc_rxq *rxq = sfc_rxq_by_dp_rxq(dp_rxq); 1132 1133 return rxq->evq->sa->dp_rx->qdesc_status(dp_rxq, offset); 1134 } 1135 1136 static int 1137 sfc_tx_descriptor_status(void *queue, uint16_t offset) 1138 { 1139 struct sfc_dp_txq *dp_txq = queue; 1140 struct sfc_txq *txq = sfc_txq_by_dp_txq(dp_txq); 1141 1142 return txq->evq->sa->dp_tx->qdesc_status(dp_txq, offset); 1143 } 1144 1145 static int 1146 sfc_rx_queue_start(struct rte_eth_dev *dev, uint16_t rx_queue_id) 1147 { 1148 struct sfc_adapter *sa = dev->data->dev_private; 1149 int rc; 1150 1151 sfc_log_init(sa, "RxQ=%u", rx_queue_id); 1152 1153 sfc_adapter_lock(sa); 1154 1155 rc = EINVAL; 1156 if (sa->state != SFC_ADAPTER_STARTED) 1157 goto fail_not_started; 1158 1159 rc = sfc_rx_qstart(sa, rx_queue_id); 1160 if (rc != 0) 1161 goto fail_rx_qstart; 1162 1163 sa->rxq_info[rx_queue_id].deferred_started = B_TRUE; 1164 1165 sfc_adapter_unlock(sa); 1166 1167 return 0; 1168 1169 fail_rx_qstart: 1170 fail_not_started: 1171 sfc_adapter_unlock(sa); 1172 SFC_ASSERT(rc > 0); 1173 return -rc; 1174 } 1175 1176 static int 1177 sfc_rx_queue_stop(struct rte_eth_dev *dev, uint16_t rx_queue_id) 1178 { 1179 struct sfc_adapter *sa = dev->data->dev_private; 1180 1181 sfc_log_init(sa, "RxQ=%u", rx_queue_id); 1182 1183 sfc_adapter_lock(sa); 1184 sfc_rx_qstop(sa, rx_queue_id); 1185 1186 sa->rxq_info[rx_queue_id].deferred_started = B_FALSE; 1187 1188 sfc_adapter_unlock(sa); 1189 1190 return 0; 1191 } 1192 1193 static int 1194 sfc_tx_queue_start(struct rte_eth_dev *dev, uint16_t tx_queue_id) 1195 { 1196 struct sfc_adapter *sa = dev->data->dev_private; 1197 int rc; 1198 1199 sfc_log_init(sa, "TxQ = %u", tx_queue_id); 1200 1201 sfc_adapter_lock(sa); 1202 1203 rc = EINVAL; 1204 if (sa->state != SFC_ADAPTER_STARTED) 1205 goto fail_not_started; 1206 1207 rc = sfc_tx_qstart(sa, tx_queue_id); 1208 if (rc != 0) 1209 goto fail_tx_qstart; 1210 1211 sa->txq_info[tx_queue_id].deferred_started = B_TRUE; 1212 1213 sfc_adapter_unlock(sa); 1214 return 0; 1215 1216 fail_tx_qstart: 1217 1218 fail_not_started: 1219 sfc_adapter_unlock(sa); 1220 SFC_ASSERT(rc > 0); 1221 return -rc; 1222 } 1223 1224 static int 1225 sfc_tx_queue_stop(struct rte_eth_dev *dev, uint16_t tx_queue_id) 1226 { 1227 struct sfc_adapter *sa = dev->data->dev_private; 1228 1229 sfc_log_init(sa, "TxQ = %u", tx_queue_id); 1230 1231 sfc_adapter_lock(sa); 1232 1233 sfc_tx_qstop(sa, tx_queue_id); 1234 1235 sa->txq_info[tx_queue_id].deferred_started = B_FALSE; 1236 1237 sfc_adapter_unlock(sa); 1238 return 0; 1239 } 1240 1241 static efx_tunnel_protocol_t 1242 sfc_tunnel_rte_type_to_efx_udp_proto(enum rte_eth_tunnel_type rte_type) 1243 { 1244 switch (rte_type) { 1245 case RTE_TUNNEL_TYPE_VXLAN: 1246 return EFX_TUNNEL_PROTOCOL_VXLAN; 1247 case RTE_TUNNEL_TYPE_GENEVE: 1248 return EFX_TUNNEL_PROTOCOL_GENEVE; 1249 default: 1250 return EFX_TUNNEL_NPROTOS; 1251 } 1252 } 1253 1254 enum sfc_udp_tunnel_op_e { 1255 SFC_UDP_TUNNEL_ADD_PORT, 1256 SFC_UDP_TUNNEL_DEL_PORT, 1257 }; 1258 1259 static int 1260 sfc_dev_udp_tunnel_op(struct rte_eth_dev *dev, 1261 struct rte_eth_udp_tunnel *tunnel_udp, 1262 enum sfc_udp_tunnel_op_e op) 1263 { 1264 struct sfc_adapter *sa = dev->data->dev_private; 1265 efx_tunnel_protocol_t tunnel_proto; 1266 int rc; 1267 1268 sfc_log_init(sa, "%s udp_port=%u prot_type=%u", 1269 (op == SFC_UDP_TUNNEL_ADD_PORT) ? "add" : 1270 (op == SFC_UDP_TUNNEL_DEL_PORT) ? "delete" : "unknown", 1271 tunnel_udp->udp_port, tunnel_udp->prot_type); 1272 1273 tunnel_proto = 1274 sfc_tunnel_rte_type_to_efx_udp_proto(tunnel_udp->prot_type); 1275 if (tunnel_proto >= EFX_TUNNEL_NPROTOS) { 1276 rc = ENOTSUP; 1277 goto fail_bad_proto; 1278 } 1279 1280 sfc_adapter_lock(sa); 1281 1282 switch (op) { 1283 case SFC_UDP_TUNNEL_ADD_PORT: 1284 rc = efx_tunnel_config_udp_add(sa->nic, 1285 tunnel_udp->udp_port, 1286 tunnel_proto); 1287 break; 1288 case SFC_UDP_TUNNEL_DEL_PORT: 1289 rc = efx_tunnel_config_udp_remove(sa->nic, 1290 tunnel_udp->udp_port, 1291 tunnel_proto); 1292 break; 1293 default: 1294 rc = EINVAL; 1295 goto fail_bad_op; 1296 } 1297 1298 if (rc != 0) 1299 goto fail_op; 1300 1301 if (sa->state == SFC_ADAPTER_STARTED) { 1302 rc = efx_tunnel_reconfigure(sa->nic); 1303 if (rc == EAGAIN) { 1304 /* 1305 * Configuration is accepted by FW and MC reboot 1306 * is initiated to apply the changes. MC reboot 1307 * will be handled in a usual way (MC reboot 1308 * event on management event queue and adapter 1309 * restart). 1310 */ 1311 rc = 0; 1312 } else if (rc != 0) { 1313 goto fail_reconfigure; 1314 } 1315 } 1316 1317 sfc_adapter_unlock(sa); 1318 return 0; 1319 1320 fail_reconfigure: 1321 /* Remove/restore entry since the change makes the trouble */ 1322 switch (op) { 1323 case SFC_UDP_TUNNEL_ADD_PORT: 1324 (void)efx_tunnel_config_udp_remove(sa->nic, 1325 tunnel_udp->udp_port, 1326 tunnel_proto); 1327 break; 1328 case SFC_UDP_TUNNEL_DEL_PORT: 1329 (void)efx_tunnel_config_udp_add(sa->nic, 1330 tunnel_udp->udp_port, 1331 tunnel_proto); 1332 break; 1333 } 1334 1335 fail_op: 1336 fail_bad_op: 1337 sfc_adapter_unlock(sa); 1338 1339 fail_bad_proto: 1340 SFC_ASSERT(rc > 0); 1341 return -rc; 1342 } 1343 1344 static int 1345 sfc_dev_udp_tunnel_port_add(struct rte_eth_dev *dev, 1346 struct rte_eth_udp_tunnel *tunnel_udp) 1347 { 1348 return sfc_dev_udp_tunnel_op(dev, tunnel_udp, SFC_UDP_TUNNEL_ADD_PORT); 1349 } 1350 1351 static int 1352 sfc_dev_udp_tunnel_port_del(struct rte_eth_dev *dev, 1353 struct rte_eth_udp_tunnel *tunnel_udp) 1354 { 1355 return sfc_dev_udp_tunnel_op(dev, tunnel_udp, SFC_UDP_TUNNEL_DEL_PORT); 1356 } 1357 1358 static int 1359 sfc_dev_rss_hash_conf_get(struct rte_eth_dev *dev, 1360 struct rte_eth_rss_conf *rss_conf) 1361 { 1362 struct sfc_adapter *sa = dev->data->dev_private; 1363 struct sfc_port *port = &sa->port; 1364 1365 if ((sa->rss_support != EFX_RX_SCALE_EXCLUSIVE) || port->isolated) 1366 return -ENOTSUP; 1367 1368 if (sa->rss_channels == 0) 1369 return -EINVAL; 1370 1371 sfc_adapter_lock(sa); 1372 1373 /* 1374 * Mapping of hash configuration between RTE and EFX is not one-to-one, 1375 * hence, conversion is done here to derive a correct set of ETH_RSS 1376 * flags which corresponds to the active EFX configuration stored 1377 * locally in 'sfc_adapter' and kept up-to-date 1378 */ 1379 rss_conf->rss_hf = sfc_efx_to_rte_hash_type(sa->rss_hash_types); 1380 rss_conf->rss_key_len = EFX_RSS_KEY_SIZE; 1381 if (rss_conf->rss_key != NULL) 1382 rte_memcpy(rss_conf->rss_key, sa->rss_key, EFX_RSS_KEY_SIZE); 1383 1384 sfc_adapter_unlock(sa); 1385 1386 return 0; 1387 } 1388 1389 static int 1390 sfc_dev_rss_hash_update(struct rte_eth_dev *dev, 1391 struct rte_eth_rss_conf *rss_conf) 1392 { 1393 struct sfc_adapter *sa = dev->data->dev_private; 1394 struct sfc_port *port = &sa->port; 1395 unsigned int efx_hash_types; 1396 int rc = 0; 1397 1398 if (port->isolated) 1399 return -ENOTSUP; 1400 1401 if (sa->rss_support != EFX_RX_SCALE_EXCLUSIVE) { 1402 sfc_err(sa, "RSS is not available"); 1403 return -ENOTSUP; 1404 } 1405 1406 if (sa->rss_channels == 0) { 1407 sfc_err(sa, "RSS is not configured"); 1408 return -EINVAL; 1409 } 1410 1411 if ((rss_conf->rss_key != NULL) && 1412 (rss_conf->rss_key_len != sizeof(sa->rss_key))) { 1413 sfc_err(sa, "RSS key size is wrong (should be %lu)", 1414 sizeof(sa->rss_key)); 1415 return -EINVAL; 1416 } 1417 1418 if ((rss_conf->rss_hf & ~SFC_RSS_OFFLOADS) != 0) { 1419 sfc_err(sa, "unsupported hash functions requested"); 1420 return -EINVAL; 1421 } 1422 1423 sfc_adapter_lock(sa); 1424 1425 efx_hash_types = sfc_rte_to_efx_hash_type(rss_conf->rss_hf); 1426 1427 rc = efx_rx_scale_mode_set(sa->nic, EFX_RSS_CONTEXT_DEFAULT, 1428 EFX_RX_HASHALG_TOEPLITZ, 1429 efx_hash_types, B_TRUE); 1430 if (rc != 0) 1431 goto fail_scale_mode_set; 1432 1433 if (rss_conf->rss_key != NULL) { 1434 if (sa->state == SFC_ADAPTER_STARTED) { 1435 rc = efx_rx_scale_key_set(sa->nic, 1436 EFX_RSS_CONTEXT_DEFAULT, 1437 rss_conf->rss_key, 1438 sizeof(sa->rss_key)); 1439 if (rc != 0) 1440 goto fail_scale_key_set; 1441 } 1442 1443 rte_memcpy(sa->rss_key, rss_conf->rss_key, sizeof(sa->rss_key)); 1444 } 1445 1446 sa->rss_hash_types = efx_hash_types; 1447 1448 sfc_adapter_unlock(sa); 1449 1450 return 0; 1451 1452 fail_scale_key_set: 1453 if (efx_rx_scale_mode_set(sa->nic, EFX_RSS_CONTEXT_DEFAULT, 1454 EFX_RX_HASHALG_TOEPLITZ, 1455 sa->rss_hash_types, B_TRUE) != 0) 1456 sfc_err(sa, "failed to restore RSS mode"); 1457 1458 fail_scale_mode_set: 1459 sfc_adapter_unlock(sa); 1460 return -rc; 1461 } 1462 1463 static int 1464 sfc_dev_rss_reta_query(struct rte_eth_dev *dev, 1465 struct rte_eth_rss_reta_entry64 *reta_conf, 1466 uint16_t reta_size) 1467 { 1468 struct sfc_adapter *sa = dev->data->dev_private; 1469 struct sfc_port *port = &sa->port; 1470 int entry; 1471 1472 if ((sa->rss_support != EFX_RX_SCALE_EXCLUSIVE) || port->isolated) 1473 return -ENOTSUP; 1474 1475 if (sa->rss_channels == 0) 1476 return -EINVAL; 1477 1478 if (reta_size != EFX_RSS_TBL_SIZE) 1479 return -EINVAL; 1480 1481 sfc_adapter_lock(sa); 1482 1483 for (entry = 0; entry < reta_size; entry++) { 1484 int grp = entry / RTE_RETA_GROUP_SIZE; 1485 int grp_idx = entry % RTE_RETA_GROUP_SIZE; 1486 1487 if ((reta_conf[grp].mask >> grp_idx) & 1) 1488 reta_conf[grp].reta[grp_idx] = sa->rss_tbl[entry]; 1489 } 1490 1491 sfc_adapter_unlock(sa); 1492 1493 return 0; 1494 } 1495 1496 static int 1497 sfc_dev_rss_reta_update(struct rte_eth_dev *dev, 1498 struct rte_eth_rss_reta_entry64 *reta_conf, 1499 uint16_t reta_size) 1500 { 1501 struct sfc_adapter *sa = dev->data->dev_private; 1502 struct sfc_port *port = &sa->port; 1503 unsigned int *rss_tbl_new; 1504 uint16_t entry; 1505 int rc = 0; 1506 1507 1508 if (port->isolated) 1509 return -ENOTSUP; 1510 1511 if (sa->rss_support != EFX_RX_SCALE_EXCLUSIVE) { 1512 sfc_err(sa, "RSS is not available"); 1513 return -ENOTSUP; 1514 } 1515 1516 if (sa->rss_channels == 0) { 1517 sfc_err(sa, "RSS is not configured"); 1518 return -EINVAL; 1519 } 1520 1521 if (reta_size != EFX_RSS_TBL_SIZE) { 1522 sfc_err(sa, "RETA size is wrong (should be %u)", 1523 EFX_RSS_TBL_SIZE); 1524 return -EINVAL; 1525 } 1526 1527 rss_tbl_new = rte_zmalloc("rss_tbl_new", sizeof(sa->rss_tbl), 0); 1528 if (rss_tbl_new == NULL) 1529 return -ENOMEM; 1530 1531 sfc_adapter_lock(sa); 1532 1533 rte_memcpy(rss_tbl_new, sa->rss_tbl, sizeof(sa->rss_tbl)); 1534 1535 for (entry = 0; entry < reta_size; entry++) { 1536 int grp_idx = entry % RTE_RETA_GROUP_SIZE; 1537 struct rte_eth_rss_reta_entry64 *grp; 1538 1539 grp = &reta_conf[entry / RTE_RETA_GROUP_SIZE]; 1540 1541 if (grp->mask & (1ull << grp_idx)) { 1542 if (grp->reta[grp_idx] >= sa->rss_channels) { 1543 rc = EINVAL; 1544 goto bad_reta_entry; 1545 } 1546 rss_tbl_new[entry] = grp->reta[grp_idx]; 1547 } 1548 } 1549 1550 if (sa->state == SFC_ADAPTER_STARTED) { 1551 rc = efx_rx_scale_tbl_set(sa->nic, EFX_RSS_CONTEXT_DEFAULT, 1552 rss_tbl_new, EFX_RSS_TBL_SIZE); 1553 if (rc != 0) 1554 goto fail_scale_tbl_set; 1555 } 1556 1557 rte_memcpy(sa->rss_tbl, rss_tbl_new, sizeof(sa->rss_tbl)); 1558 1559 fail_scale_tbl_set: 1560 bad_reta_entry: 1561 sfc_adapter_unlock(sa); 1562 1563 rte_free(rss_tbl_new); 1564 1565 SFC_ASSERT(rc >= 0); 1566 return -rc; 1567 } 1568 1569 static int 1570 sfc_dev_filter_ctrl(struct rte_eth_dev *dev, enum rte_filter_type filter_type, 1571 enum rte_filter_op filter_op, 1572 void *arg) 1573 { 1574 struct sfc_adapter *sa = dev->data->dev_private; 1575 int rc = ENOTSUP; 1576 1577 sfc_log_init(sa, "entry"); 1578 1579 switch (filter_type) { 1580 case RTE_ETH_FILTER_NONE: 1581 sfc_err(sa, "Global filters configuration not supported"); 1582 break; 1583 case RTE_ETH_FILTER_MACVLAN: 1584 sfc_err(sa, "MACVLAN filters not supported"); 1585 break; 1586 case RTE_ETH_FILTER_ETHERTYPE: 1587 sfc_err(sa, "EtherType filters not supported"); 1588 break; 1589 case RTE_ETH_FILTER_FLEXIBLE: 1590 sfc_err(sa, "Flexible filters not supported"); 1591 break; 1592 case RTE_ETH_FILTER_SYN: 1593 sfc_err(sa, "SYN filters not supported"); 1594 break; 1595 case RTE_ETH_FILTER_NTUPLE: 1596 sfc_err(sa, "NTUPLE filters not supported"); 1597 break; 1598 case RTE_ETH_FILTER_TUNNEL: 1599 sfc_err(sa, "Tunnel filters not supported"); 1600 break; 1601 case RTE_ETH_FILTER_FDIR: 1602 sfc_err(sa, "Flow Director filters not supported"); 1603 break; 1604 case RTE_ETH_FILTER_HASH: 1605 sfc_err(sa, "Hash filters not supported"); 1606 break; 1607 case RTE_ETH_FILTER_GENERIC: 1608 if (filter_op != RTE_ETH_FILTER_GET) { 1609 rc = EINVAL; 1610 } else { 1611 *(const void **)arg = &sfc_flow_ops; 1612 rc = 0; 1613 } 1614 break; 1615 default: 1616 sfc_err(sa, "Unknown filter type %u", filter_type); 1617 break; 1618 } 1619 1620 sfc_log_init(sa, "exit: %d", -rc); 1621 SFC_ASSERT(rc >= 0); 1622 return -rc; 1623 } 1624 1625 static const struct eth_dev_ops sfc_eth_dev_ops = { 1626 .dev_configure = sfc_dev_configure, 1627 .dev_start = sfc_dev_start, 1628 .dev_stop = sfc_dev_stop, 1629 .dev_set_link_up = sfc_dev_set_link_up, 1630 .dev_set_link_down = sfc_dev_set_link_down, 1631 .dev_close = sfc_dev_close, 1632 .promiscuous_enable = sfc_dev_promisc_enable, 1633 .promiscuous_disable = sfc_dev_promisc_disable, 1634 .allmulticast_enable = sfc_dev_allmulti_enable, 1635 .allmulticast_disable = sfc_dev_allmulti_disable, 1636 .link_update = sfc_dev_link_update, 1637 .stats_get = sfc_stats_get, 1638 .stats_reset = sfc_stats_reset, 1639 .xstats_get = sfc_xstats_get, 1640 .xstats_reset = sfc_stats_reset, 1641 .xstats_get_names = sfc_xstats_get_names, 1642 .dev_infos_get = sfc_dev_infos_get, 1643 .dev_supported_ptypes_get = sfc_dev_supported_ptypes_get, 1644 .mtu_set = sfc_dev_set_mtu, 1645 .rx_queue_start = sfc_rx_queue_start, 1646 .rx_queue_stop = sfc_rx_queue_stop, 1647 .tx_queue_start = sfc_tx_queue_start, 1648 .tx_queue_stop = sfc_tx_queue_stop, 1649 .rx_queue_setup = sfc_rx_queue_setup, 1650 .rx_queue_release = sfc_rx_queue_release, 1651 .rx_queue_count = sfc_rx_queue_count, 1652 .rx_descriptor_done = sfc_rx_descriptor_done, 1653 .rx_descriptor_status = sfc_rx_descriptor_status, 1654 .tx_descriptor_status = sfc_tx_descriptor_status, 1655 .tx_queue_setup = sfc_tx_queue_setup, 1656 .tx_queue_release = sfc_tx_queue_release, 1657 .flow_ctrl_get = sfc_flow_ctrl_get, 1658 .flow_ctrl_set = sfc_flow_ctrl_set, 1659 .mac_addr_set = sfc_mac_addr_set, 1660 .udp_tunnel_port_add = sfc_dev_udp_tunnel_port_add, 1661 .udp_tunnel_port_del = sfc_dev_udp_tunnel_port_del, 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 .filter_ctrl = sfc_dev_filter_ctrl, 1667 .set_mc_addr_list = sfc_set_mc_addr_list, 1668 .rxq_info_get = sfc_rx_queue_info_get, 1669 .txq_info_get = sfc_tx_queue_info_get, 1670 .fw_version_get = sfc_fw_version_get, 1671 .xstats_get_by_id = sfc_xstats_get_by_id, 1672 .xstats_get_names_by_id = sfc_xstats_get_names_by_id, 1673 }; 1674 1675 /** 1676 * Duplicate a string in potentially shared memory required for 1677 * multi-process support. 1678 * 1679 * strdup() allocates from process-local heap/memory. 1680 */ 1681 static char * 1682 sfc_strdup(const char *str) 1683 { 1684 size_t size; 1685 char *copy; 1686 1687 if (str == NULL) 1688 return NULL; 1689 1690 size = strlen(str) + 1; 1691 copy = rte_malloc(__func__, size, 0); 1692 if (copy != NULL) 1693 rte_memcpy(copy, str, size); 1694 1695 return copy; 1696 } 1697 1698 static int 1699 sfc_eth_dev_set_ops(struct rte_eth_dev *dev) 1700 { 1701 struct sfc_adapter *sa = dev->data->dev_private; 1702 unsigned int avail_caps = 0; 1703 const char *rx_name = NULL; 1704 const char *tx_name = NULL; 1705 int rc; 1706 1707 switch (sa->family) { 1708 case EFX_FAMILY_HUNTINGTON: 1709 case EFX_FAMILY_MEDFORD: 1710 case EFX_FAMILY_MEDFORD2: 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_notice(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_notice(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 sa->logtype_main = sfc_register_logtype(sa, SFC_LOGTYPE_MAIN_STR, 1939 RTE_LOG_NOTICE); 1940 1941 rc = sfc_kvargs_parse(sa); 1942 if (rc != 0) 1943 goto fail_kvargs_parse; 1944 1945 sfc_log_init(sa, "entry"); 1946 1947 dev->data->mac_addrs = rte_zmalloc("sfc", ETHER_ADDR_LEN, 0); 1948 if (dev->data->mac_addrs == NULL) { 1949 rc = ENOMEM; 1950 goto fail_mac_addrs; 1951 } 1952 1953 sfc_adapter_lock_init(sa); 1954 sfc_adapter_lock(sa); 1955 1956 sfc_log_init(sa, "probing"); 1957 rc = sfc_probe(sa); 1958 if (rc != 0) 1959 goto fail_probe; 1960 1961 sfc_log_init(sa, "set device ops"); 1962 rc = sfc_eth_dev_set_ops(dev); 1963 if (rc != 0) 1964 goto fail_set_ops; 1965 1966 sfc_log_init(sa, "attaching"); 1967 rc = sfc_attach(sa); 1968 if (rc != 0) 1969 goto fail_attach; 1970 1971 encp = efx_nic_cfg_get(sa->nic); 1972 1973 /* 1974 * The arguments are really reverse order in comparison to 1975 * Linux kernel. Copy from NIC config to Ethernet device data. 1976 */ 1977 from = (const struct ether_addr *)(encp->enc_mac_addr); 1978 ether_addr_copy(from, &dev->data->mac_addrs[0]); 1979 1980 sfc_adapter_unlock(sa); 1981 1982 sfc_log_init(sa, "done"); 1983 return 0; 1984 1985 fail_attach: 1986 sfc_eth_dev_clear_ops(dev); 1987 1988 fail_set_ops: 1989 sfc_unprobe(sa); 1990 1991 fail_probe: 1992 sfc_adapter_unlock(sa); 1993 sfc_adapter_lock_fini(sa); 1994 rte_free(dev->data->mac_addrs); 1995 dev->data->mac_addrs = NULL; 1996 1997 fail_mac_addrs: 1998 sfc_kvargs_cleanup(sa); 1999 2000 fail_kvargs_parse: 2001 sfc_log_init(sa, "failed %d", rc); 2002 SFC_ASSERT(rc > 0); 2003 return -rc; 2004 } 2005 2006 static int 2007 sfc_eth_dev_uninit(struct rte_eth_dev *dev) 2008 { 2009 struct sfc_adapter *sa; 2010 2011 if (rte_eal_process_type() != RTE_PROC_PRIMARY) { 2012 sfc_eth_dev_secondary_clear_ops(dev); 2013 return 0; 2014 } 2015 2016 sa = dev->data->dev_private; 2017 sfc_log_init(sa, "entry"); 2018 2019 sfc_adapter_lock(sa); 2020 2021 sfc_eth_dev_clear_ops(dev); 2022 2023 sfc_detach(sa); 2024 sfc_unprobe(sa); 2025 2026 rte_free(dev->data->mac_addrs); 2027 dev->data->mac_addrs = NULL; 2028 2029 sfc_kvargs_cleanup(sa); 2030 2031 sfc_adapter_unlock(sa); 2032 sfc_adapter_lock_fini(sa); 2033 2034 sfc_log_init(sa, "done"); 2035 2036 /* Required for logging, so cleanup last */ 2037 sa->eth_dev = NULL; 2038 return 0; 2039 } 2040 2041 static const struct rte_pci_id pci_id_sfc_efx_map[] = { 2042 { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_FARMINGDALE) }, 2043 { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_FARMINGDALE_VF) }, 2044 { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_GREENPORT) }, 2045 { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_GREENPORT_VF) }, 2046 { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_MEDFORD) }, 2047 { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_MEDFORD_VF) }, 2048 { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_MEDFORD2) }, 2049 { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_MEDFORD2_VF) }, 2050 { .vendor_id = 0 /* sentinel */ } 2051 }; 2052 2053 static int sfc_eth_dev_pci_probe(struct rte_pci_driver *pci_drv __rte_unused, 2054 struct rte_pci_device *pci_dev) 2055 { 2056 return rte_eth_dev_pci_generic_probe(pci_dev, 2057 sizeof(struct sfc_adapter), sfc_eth_dev_init); 2058 } 2059 2060 static int sfc_eth_dev_pci_remove(struct rte_pci_device *pci_dev) 2061 { 2062 return rte_eth_dev_pci_generic_remove(pci_dev, sfc_eth_dev_uninit); 2063 } 2064 2065 static struct rte_pci_driver sfc_efx_pmd = { 2066 .id_table = pci_id_sfc_efx_map, 2067 .drv_flags = 2068 RTE_PCI_DRV_INTR_LSC | 2069 RTE_PCI_DRV_NEED_MAPPING, 2070 .probe = sfc_eth_dev_pci_probe, 2071 .remove = sfc_eth_dev_pci_remove, 2072 }; 2073 2074 RTE_PMD_REGISTER_PCI(net_sfc_efx, sfc_efx_pmd); 2075 RTE_PMD_REGISTER_PCI_TABLE(net_sfc_efx, pci_id_sfc_efx_map); 2076 RTE_PMD_REGISTER_KMOD_DEP(net_sfc_efx, "* igb_uio | uio_pci_generic | vfio-pci"); 2077 RTE_PMD_REGISTER_PARAM_STRING(net_sfc_efx, 2078 SFC_KVARG_RX_DATAPATH "=" SFC_KVARG_VALUES_RX_DATAPATH " " 2079 SFC_KVARG_TX_DATAPATH "=" SFC_KVARG_VALUES_TX_DATAPATH " " 2080 SFC_KVARG_PERF_PROFILE "=" SFC_KVARG_VALUES_PERF_PROFILE " " 2081 SFC_KVARG_FW_VARIANT "=" SFC_KVARG_VALUES_FW_VARIANT " " 2082 SFC_KVARG_STATS_UPDATE_PERIOD_MS "=<long>"); 2083 2084 RTE_INIT(sfc_driver_register_logtype); 2085 static void 2086 sfc_driver_register_logtype(void) 2087 { 2088 int ret; 2089 2090 ret = rte_log_register_type_and_pick_level(SFC_LOGTYPE_PREFIX "driver", 2091 RTE_LOG_NOTICE); 2092 sfc_logtype_driver = (ret < 0) ? RTE_LOGTYPE_PMD : ret; 2093 } 2094