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 EFSYS_OPT_RX_SCALE 155 if (sa->rss_support != EFX_RX_SCALE_UNAVAILABLE) { 156 dev_info->reta_size = EFX_RSS_TBL_SIZE; 157 dev_info->hash_key_size = EFX_RSS_KEY_SIZE; 158 dev_info->flow_type_rss_offloads = SFC_RSS_OFFLOADS; 159 } 160 #endif 161 162 /* Initialize to hardware limits */ 163 dev_info->rx_desc_lim.nb_max = EFX_RXQ_MAXNDESCS; 164 dev_info->rx_desc_lim.nb_min = EFX_RXQ_MINNDESCS; 165 /* The RXQ hardware requires that the descriptor count is a power 166 * of 2, but rx_desc_lim cannot properly describe that constraint. 167 */ 168 dev_info->rx_desc_lim.nb_align = EFX_RXQ_MINNDESCS; 169 170 /* Initialize to hardware limits */ 171 dev_info->tx_desc_lim.nb_max = sa->txq_max_entries; 172 dev_info->tx_desc_lim.nb_min = EFX_TXQ_MINNDESCS; 173 /* 174 * The TXQ hardware requires that the descriptor count is a power 175 * of 2, but tx_desc_lim cannot properly describe that constraint 176 */ 177 dev_info->tx_desc_lim.nb_align = EFX_TXQ_MINNDESCS; 178 179 if (sa->dp_rx->get_dev_info != NULL) 180 sa->dp_rx->get_dev_info(dev_info); 181 if (sa->dp_tx->get_dev_info != NULL) 182 sa->dp_tx->get_dev_info(dev_info); 183 } 184 185 static const uint32_t * 186 sfc_dev_supported_ptypes_get(struct rte_eth_dev *dev) 187 { 188 struct sfc_adapter *sa = dev->data->dev_private; 189 const efx_nic_cfg_t *encp = efx_nic_cfg_get(sa->nic); 190 uint32_t tunnel_encaps = encp->enc_tunnel_encapsulations_supported; 191 192 return sa->dp_rx->supported_ptypes_get(tunnel_encaps); 193 } 194 195 static int 196 sfc_dev_configure(struct rte_eth_dev *dev) 197 { 198 struct rte_eth_dev_data *dev_data = dev->data; 199 struct sfc_adapter *sa = dev_data->dev_private; 200 int rc; 201 202 sfc_log_init(sa, "entry n_rxq=%u n_txq=%u", 203 dev_data->nb_rx_queues, dev_data->nb_tx_queues); 204 205 sfc_adapter_lock(sa); 206 switch (sa->state) { 207 case SFC_ADAPTER_CONFIGURED: 208 /* FALLTHROUGH */ 209 case SFC_ADAPTER_INITIALIZED: 210 rc = sfc_configure(sa); 211 break; 212 default: 213 sfc_err(sa, "unexpected adapter state %u to configure", 214 sa->state); 215 rc = EINVAL; 216 break; 217 } 218 sfc_adapter_unlock(sa); 219 220 sfc_log_init(sa, "done %d", rc); 221 SFC_ASSERT(rc >= 0); 222 return -rc; 223 } 224 225 static int 226 sfc_dev_start(struct rte_eth_dev *dev) 227 { 228 struct sfc_adapter *sa = dev->data->dev_private; 229 int rc; 230 231 sfc_log_init(sa, "entry"); 232 233 sfc_adapter_lock(sa); 234 rc = sfc_start(sa); 235 sfc_adapter_unlock(sa); 236 237 sfc_log_init(sa, "done %d", rc); 238 SFC_ASSERT(rc >= 0); 239 return -rc; 240 } 241 242 static int 243 sfc_dev_link_update(struct rte_eth_dev *dev, int wait_to_complete) 244 { 245 struct sfc_adapter *sa = dev->data->dev_private; 246 struct rte_eth_link current_link; 247 int ret; 248 249 sfc_log_init(sa, "entry"); 250 251 if (sa->state != SFC_ADAPTER_STARTED) { 252 sfc_port_link_mode_to_info(EFX_LINK_UNKNOWN, ¤t_link); 253 } else if (wait_to_complete) { 254 efx_link_mode_t link_mode; 255 256 if (efx_port_poll(sa->nic, &link_mode) != 0) 257 link_mode = EFX_LINK_UNKNOWN; 258 sfc_port_link_mode_to_info(link_mode, ¤t_link); 259 260 } else { 261 sfc_ev_mgmt_qpoll(sa); 262 rte_eth_linkstatus_get(dev, ¤t_link); 263 } 264 265 ret = rte_eth_linkstatus_set(dev, ¤t_link); 266 if (ret == 0) 267 sfc_notice(sa, "Link status is %s", 268 current_link.link_status ? "UP" : "DOWN"); 269 270 return ret; 271 } 272 273 static void 274 sfc_dev_stop(struct rte_eth_dev *dev) 275 { 276 struct sfc_adapter *sa = dev->data->dev_private; 277 278 sfc_log_init(sa, "entry"); 279 280 sfc_adapter_lock(sa); 281 sfc_stop(sa); 282 sfc_adapter_unlock(sa); 283 284 sfc_log_init(sa, "done"); 285 } 286 287 static int 288 sfc_dev_set_link_up(struct rte_eth_dev *dev) 289 { 290 struct sfc_adapter *sa = dev->data->dev_private; 291 int rc; 292 293 sfc_log_init(sa, "entry"); 294 295 sfc_adapter_lock(sa); 296 rc = sfc_start(sa); 297 sfc_adapter_unlock(sa); 298 299 SFC_ASSERT(rc >= 0); 300 return -rc; 301 } 302 303 static int 304 sfc_dev_set_link_down(struct rte_eth_dev *dev) 305 { 306 struct sfc_adapter *sa = dev->data->dev_private; 307 308 sfc_log_init(sa, "entry"); 309 310 sfc_adapter_lock(sa); 311 sfc_stop(sa); 312 sfc_adapter_unlock(sa); 313 314 return 0; 315 } 316 317 static void 318 sfc_dev_close(struct rte_eth_dev *dev) 319 { 320 struct sfc_adapter *sa = dev->data->dev_private; 321 322 sfc_log_init(sa, "entry"); 323 324 sfc_adapter_lock(sa); 325 switch (sa->state) { 326 case SFC_ADAPTER_STARTED: 327 sfc_stop(sa); 328 SFC_ASSERT(sa->state == SFC_ADAPTER_CONFIGURED); 329 /* FALLTHROUGH */ 330 case SFC_ADAPTER_CONFIGURED: 331 sfc_close(sa); 332 SFC_ASSERT(sa->state == SFC_ADAPTER_INITIALIZED); 333 /* FALLTHROUGH */ 334 case SFC_ADAPTER_INITIALIZED: 335 break; 336 default: 337 sfc_err(sa, "unexpected adapter state %u on close", sa->state); 338 break; 339 } 340 sfc_adapter_unlock(sa); 341 342 sfc_log_init(sa, "done"); 343 } 344 345 static void 346 sfc_dev_filter_set(struct rte_eth_dev *dev, enum sfc_dev_filter_mode mode, 347 boolean_t enabled) 348 { 349 struct sfc_port *port; 350 boolean_t *toggle; 351 struct sfc_adapter *sa = dev->data->dev_private; 352 boolean_t allmulti = (mode == SFC_DEV_FILTER_MODE_ALLMULTI); 353 const char *desc = (allmulti) ? "all-multi" : "promiscuous"; 354 355 sfc_adapter_lock(sa); 356 357 port = &sa->port; 358 toggle = (allmulti) ? (&port->allmulti) : (&port->promisc); 359 360 if (*toggle != enabled) { 361 *toggle = enabled; 362 363 if (port->isolated) { 364 sfc_warn(sa, "isolated mode is active on the port"); 365 sfc_warn(sa, "the change is to be applied on the next " 366 "start provided that isolated mode is " 367 "disabled prior the next start"); 368 } else if ((sa->state == SFC_ADAPTER_STARTED) && 369 (sfc_set_rx_mode(sa) != 0)) { 370 *toggle = !(enabled); 371 sfc_warn(sa, "Failed to %s %s mode", 372 ((enabled) ? "enable" : "disable"), desc); 373 } 374 } 375 376 sfc_adapter_unlock(sa); 377 } 378 379 static void 380 sfc_dev_promisc_enable(struct rte_eth_dev *dev) 381 { 382 sfc_dev_filter_set(dev, SFC_DEV_FILTER_MODE_PROMISC, B_TRUE); 383 } 384 385 static void 386 sfc_dev_promisc_disable(struct rte_eth_dev *dev) 387 { 388 sfc_dev_filter_set(dev, SFC_DEV_FILTER_MODE_PROMISC, B_FALSE); 389 } 390 391 static void 392 sfc_dev_allmulti_enable(struct rte_eth_dev *dev) 393 { 394 sfc_dev_filter_set(dev, SFC_DEV_FILTER_MODE_ALLMULTI, B_TRUE); 395 } 396 397 static void 398 sfc_dev_allmulti_disable(struct rte_eth_dev *dev) 399 { 400 sfc_dev_filter_set(dev, SFC_DEV_FILTER_MODE_ALLMULTI, B_FALSE); 401 } 402 403 static int 404 sfc_rx_queue_setup(struct rte_eth_dev *dev, uint16_t rx_queue_id, 405 uint16_t nb_rx_desc, unsigned int socket_id, 406 const struct rte_eth_rxconf *rx_conf, 407 struct rte_mempool *mb_pool) 408 { 409 struct sfc_adapter *sa = dev->data->dev_private; 410 int rc; 411 412 sfc_log_init(sa, "RxQ=%u nb_rx_desc=%u socket_id=%u", 413 rx_queue_id, nb_rx_desc, socket_id); 414 415 sfc_adapter_lock(sa); 416 417 rc = sfc_rx_qinit(sa, rx_queue_id, nb_rx_desc, socket_id, 418 rx_conf, mb_pool); 419 if (rc != 0) 420 goto fail_rx_qinit; 421 422 dev->data->rx_queues[rx_queue_id] = sa->rxq_info[rx_queue_id].rxq->dp; 423 424 sfc_adapter_unlock(sa); 425 426 return 0; 427 428 fail_rx_qinit: 429 sfc_adapter_unlock(sa); 430 SFC_ASSERT(rc > 0); 431 return -rc; 432 } 433 434 static void 435 sfc_rx_queue_release(void *queue) 436 { 437 struct sfc_dp_rxq *dp_rxq = queue; 438 struct sfc_rxq *rxq; 439 struct sfc_adapter *sa; 440 unsigned int sw_index; 441 442 if (dp_rxq == NULL) 443 return; 444 445 rxq = sfc_rxq_by_dp_rxq(dp_rxq); 446 sa = rxq->evq->sa; 447 sfc_adapter_lock(sa); 448 449 sw_index = sfc_rxq_sw_index(rxq); 450 451 sfc_log_init(sa, "RxQ=%u", sw_index); 452 453 sa->eth_dev->data->rx_queues[sw_index] = NULL; 454 455 sfc_rx_qfini(sa, sw_index); 456 457 sfc_adapter_unlock(sa); 458 } 459 460 static int 461 sfc_tx_queue_setup(struct rte_eth_dev *dev, uint16_t tx_queue_id, 462 uint16_t nb_tx_desc, unsigned int socket_id, 463 const struct rte_eth_txconf *tx_conf) 464 { 465 struct sfc_adapter *sa = dev->data->dev_private; 466 int rc; 467 468 sfc_log_init(sa, "TxQ = %u, nb_tx_desc = %u, socket_id = %u", 469 tx_queue_id, nb_tx_desc, socket_id); 470 471 sfc_adapter_lock(sa); 472 473 rc = sfc_tx_qinit(sa, tx_queue_id, nb_tx_desc, socket_id, tx_conf); 474 if (rc != 0) 475 goto fail_tx_qinit; 476 477 dev->data->tx_queues[tx_queue_id] = sa->txq_info[tx_queue_id].txq->dp; 478 479 sfc_adapter_unlock(sa); 480 return 0; 481 482 fail_tx_qinit: 483 sfc_adapter_unlock(sa); 484 SFC_ASSERT(rc > 0); 485 return -rc; 486 } 487 488 static void 489 sfc_tx_queue_release(void *queue) 490 { 491 struct sfc_dp_txq *dp_txq = queue; 492 struct sfc_txq *txq; 493 unsigned int sw_index; 494 struct sfc_adapter *sa; 495 496 if (dp_txq == NULL) 497 return; 498 499 txq = sfc_txq_by_dp_txq(dp_txq); 500 sw_index = sfc_txq_sw_index(txq); 501 502 SFC_ASSERT(txq->evq != NULL); 503 sa = txq->evq->sa; 504 505 sfc_log_init(sa, "TxQ = %u", sw_index); 506 507 sfc_adapter_lock(sa); 508 509 SFC_ASSERT(sw_index < sa->eth_dev->data->nb_tx_queues); 510 sa->eth_dev->data->tx_queues[sw_index] = NULL; 511 512 sfc_tx_qfini(sa, sw_index); 513 514 sfc_adapter_unlock(sa); 515 } 516 517 static int 518 sfc_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats) 519 { 520 struct sfc_adapter *sa = dev->data->dev_private; 521 struct sfc_port *port = &sa->port; 522 uint64_t *mac_stats; 523 int ret; 524 525 rte_spinlock_lock(&port->mac_stats_lock); 526 527 ret = sfc_port_update_mac_stats(sa); 528 if (ret != 0) 529 goto unlock; 530 531 mac_stats = port->mac_stats_buf; 532 533 if (EFX_MAC_STAT_SUPPORTED(port->mac_stats_mask, 534 EFX_MAC_VADAPTER_RX_UNICAST_PACKETS)) { 535 stats->ipackets = 536 mac_stats[EFX_MAC_VADAPTER_RX_UNICAST_PACKETS] + 537 mac_stats[EFX_MAC_VADAPTER_RX_MULTICAST_PACKETS] + 538 mac_stats[EFX_MAC_VADAPTER_RX_BROADCAST_PACKETS]; 539 stats->opackets = 540 mac_stats[EFX_MAC_VADAPTER_TX_UNICAST_PACKETS] + 541 mac_stats[EFX_MAC_VADAPTER_TX_MULTICAST_PACKETS] + 542 mac_stats[EFX_MAC_VADAPTER_TX_BROADCAST_PACKETS]; 543 stats->ibytes = 544 mac_stats[EFX_MAC_VADAPTER_RX_UNICAST_BYTES] + 545 mac_stats[EFX_MAC_VADAPTER_RX_MULTICAST_BYTES] + 546 mac_stats[EFX_MAC_VADAPTER_RX_BROADCAST_BYTES]; 547 stats->obytes = 548 mac_stats[EFX_MAC_VADAPTER_TX_UNICAST_BYTES] + 549 mac_stats[EFX_MAC_VADAPTER_TX_MULTICAST_BYTES] + 550 mac_stats[EFX_MAC_VADAPTER_TX_BROADCAST_BYTES]; 551 stats->imissed = mac_stats[EFX_MAC_VADAPTER_RX_OVERFLOW]; 552 stats->ierrors = mac_stats[EFX_MAC_VADAPTER_RX_BAD_PACKETS]; 553 stats->oerrors = mac_stats[EFX_MAC_VADAPTER_TX_BAD_PACKETS]; 554 } else { 555 stats->ipackets = mac_stats[EFX_MAC_RX_PKTS]; 556 stats->opackets = mac_stats[EFX_MAC_TX_PKTS]; 557 stats->ibytes = mac_stats[EFX_MAC_RX_OCTETS]; 558 stats->obytes = mac_stats[EFX_MAC_TX_OCTETS]; 559 /* 560 * Take into account stats which are whenever supported 561 * on EF10. If some stat is not supported by current 562 * firmware variant or HW revision, it is guaranteed 563 * to be zero in mac_stats. 564 */ 565 stats->imissed = 566 mac_stats[EFX_MAC_RX_NODESC_DROP_CNT] + 567 mac_stats[EFX_MAC_PM_TRUNC_BB_OVERFLOW] + 568 mac_stats[EFX_MAC_PM_DISCARD_BB_OVERFLOW] + 569 mac_stats[EFX_MAC_PM_TRUNC_VFIFO_FULL] + 570 mac_stats[EFX_MAC_PM_DISCARD_VFIFO_FULL] + 571 mac_stats[EFX_MAC_PM_TRUNC_QBB] + 572 mac_stats[EFX_MAC_PM_DISCARD_QBB] + 573 mac_stats[EFX_MAC_PM_DISCARD_MAPPING] + 574 mac_stats[EFX_MAC_RXDP_Q_DISABLED_PKTS] + 575 mac_stats[EFX_MAC_RXDP_DI_DROPPED_PKTS]; 576 stats->ierrors = 577 mac_stats[EFX_MAC_RX_FCS_ERRORS] + 578 mac_stats[EFX_MAC_RX_ALIGN_ERRORS] + 579 mac_stats[EFX_MAC_RX_JABBER_PKTS]; 580 /* no oerrors counters supported on EF10 */ 581 } 582 583 unlock: 584 rte_spinlock_unlock(&port->mac_stats_lock); 585 SFC_ASSERT(ret >= 0); 586 return -ret; 587 } 588 589 static void 590 sfc_stats_reset(struct rte_eth_dev *dev) 591 { 592 struct sfc_adapter *sa = dev->data->dev_private; 593 struct sfc_port *port = &sa->port; 594 int rc; 595 596 if (sa->state != SFC_ADAPTER_STARTED) { 597 /* 598 * The operation cannot be done if port is not started; it 599 * will be scheduled to be done during the next port start 600 */ 601 port->mac_stats_reset_pending = B_TRUE; 602 return; 603 } 604 605 rc = sfc_port_reset_mac_stats(sa); 606 if (rc != 0) 607 sfc_err(sa, "failed to reset statistics (rc = %d)", rc); 608 } 609 610 static int 611 sfc_xstats_get(struct rte_eth_dev *dev, struct rte_eth_xstat *xstats, 612 unsigned int xstats_count) 613 { 614 struct sfc_adapter *sa = dev->data->dev_private; 615 struct sfc_port *port = &sa->port; 616 uint64_t *mac_stats; 617 int rc; 618 unsigned int i; 619 int nstats = 0; 620 621 rte_spinlock_lock(&port->mac_stats_lock); 622 623 rc = sfc_port_update_mac_stats(sa); 624 if (rc != 0) { 625 SFC_ASSERT(rc > 0); 626 nstats = -rc; 627 goto unlock; 628 } 629 630 mac_stats = port->mac_stats_buf; 631 632 for (i = 0; i < EFX_MAC_NSTATS; ++i) { 633 if (EFX_MAC_STAT_SUPPORTED(port->mac_stats_mask, i)) { 634 if (xstats != NULL && nstats < (int)xstats_count) { 635 xstats[nstats].id = nstats; 636 xstats[nstats].value = mac_stats[i]; 637 } 638 nstats++; 639 } 640 } 641 642 unlock: 643 rte_spinlock_unlock(&port->mac_stats_lock); 644 645 return nstats; 646 } 647 648 static int 649 sfc_xstats_get_names(struct rte_eth_dev *dev, 650 struct rte_eth_xstat_name *xstats_names, 651 unsigned int xstats_count) 652 { 653 struct sfc_adapter *sa = dev->data->dev_private; 654 struct sfc_port *port = &sa->port; 655 unsigned int i; 656 unsigned int nstats = 0; 657 658 for (i = 0; i < EFX_MAC_NSTATS; ++i) { 659 if (EFX_MAC_STAT_SUPPORTED(port->mac_stats_mask, i)) { 660 if (xstats_names != NULL && nstats < xstats_count) 661 strncpy(xstats_names[nstats].name, 662 efx_mac_stat_name(sa->nic, i), 663 sizeof(xstats_names[0].name)); 664 nstats++; 665 } 666 } 667 668 return nstats; 669 } 670 671 static int 672 sfc_xstats_get_by_id(struct rte_eth_dev *dev, const uint64_t *ids, 673 uint64_t *values, unsigned int n) 674 { 675 struct sfc_adapter *sa = dev->data->dev_private; 676 struct sfc_port *port = &sa->port; 677 uint64_t *mac_stats; 678 unsigned int nb_supported = 0; 679 unsigned int nb_written = 0; 680 unsigned int i; 681 int ret; 682 int rc; 683 684 if (unlikely(values == NULL) || 685 unlikely((ids == NULL) && (n < port->mac_stats_nb_supported))) 686 return port->mac_stats_nb_supported; 687 688 rte_spinlock_lock(&port->mac_stats_lock); 689 690 rc = sfc_port_update_mac_stats(sa); 691 if (rc != 0) { 692 SFC_ASSERT(rc > 0); 693 ret = -rc; 694 goto unlock; 695 } 696 697 mac_stats = port->mac_stats_buf; 698 699 for (i = 0; (i < EFX_MAC_NSTATS) && (nb_written < n); ++i) { 700 if (!EFX_MAC_STAT_SUPPORTED(port->mac_stats_mask, i)) 701 continue; 702 703 if ((ids == NULL) || (ids[nb_written] == nb_supported)) 704 values[nb_written++] = mac_stats[i]; 705 706 ++nb_supported; 707 } 708 709 ret = nb_written; 710 711 unlock: 712 rte_spinlock_unlock(&port->mac_stats_lock); 713 714 return ret; 715 } 716 717 static int 718 sfc_xstats_get_names_by_id(struct rte_eth_dev *dev, 719 struct rte_eth_xstat_name *xstats_names, 720 const uint64_t *ids, unsigned int size) 721 { 722 struct sfc_adapter *sa = dev->data->dev_private; 723 struct sfc_port *port = &sa->port; 724 unsigned int nb_supported = 0; 725 unsigned int nb_written = 0; 726 unsigned int i; 727 728 if (unlikely(xstats_names == NULL) || 729 unlikely((ids == NULL) && (size < port->mac_stats_nb_supported))) 730 return port->mac_stats_nb_supported; 731 732 for (i = 0; (i < EFX_MAC_NSTATS) && (nb_written < size); ++i) { 733 if (!EFX_MAC_STAT_SUPPORTED(port->mac_stats_mask, i)) 734 continue; 735 736 if ((ids == NULL) || (ids[nb_written] == nb_supported)) { 737 char *name = xstats_names[nb_written++].name; 738 739 strncpy(name, efx_mac_stat_name(sa->nic, i), 740 sizeof(xstats_names[0].name)); 741 name[sizeof(xstats_names[0].name) - 1] = '\0'; 742 } 743 744 ++nb_supported; 745 } 746 747 return nb_written; 748 } 749 750 static int 751 sfc_flow_ctrl_get(struct rte_eth_dev *dev, struct rte_eth_fc_conf *fc_conf) 752 { 753 struct sfc_adapter *sa = dev->data->dev_private; 754 unsigned int wanted_fc, link_fc; 755 756 memset(fc_conf, 0, sizeof(*fc_conf)); 757 758 sfc_adapter_lock(sa); 759 760 if (sa->state == SFC_ADAPTER_STARTED) 761 efx_mac_fcntl_get(sa->nic, &wanted_fc, &link_fc); 762 else 763 link_fc = sa->port.flow_ctrl; 764 765 switch (link_fc) { 766 case 0: 767 fc_conf->mode = RTE_FC_NONE; 768 break; 769 case EFX_FCNTL_RESPOND: 770 fc_conf->mode = RTE_FC_RX_PAUSE; 771 break; 772 case EFX_FCNTL_GENERATE: 773 fc_conf->mode = RTE_FC_TX_PAUSE; 774 break; 775 case (EFX_FCNTL_RESPOND | EFX_FCNTL_GENERATE): 776 fc_conf->mode = RTE_FC_FULL; 777 break; 778 default: 779 sfc_err(sa, "%s: unexpected flow control value %#x", 780 __func__, link_fc); 781 } 782 783 fc_conf->autoneg = sa->port.flow_ctrl_autoneg; 784 785 sfc_adapter_unlock(sa); 786 787 return 0; 788 } 789 790 static int 791 sfc_flow_ctrl_set(struct rte_eth_dev *dev, struct rte_eth_fc_conf *fc_conf) 792 { 793 struct sfc_adapter *sa = dev->data->dev_private; 794 struct sfc_port *port = &sa->port; 795 unsigned int fcntl; 796 int rc; 797 798 if (fc_conf->high_water != 0 || fc_conf->low_water != 0 || 799 fc_conf->pause_time != 0 || fc_conf->send_xon != 0 || 800 fc_conf->mac_ctrl_frame_fwd != 0) { 801 sfc_err(sa, "unsupported flow control settings specified"); 802 rc = EINVAL; 803 goto fail_inval; 804 } 805 806 switch (fc_conf->mode) { 807 case RTE_FC_NONE: 808 fcntl = 0; 809 break; 810 case RTE_FC_RX_PAUSE: 811 fcntl = EFX_FCNTL_RESPOND; 812 break; 813 case RTE_FC_TX_PAUSE: 814 fcntl = EFX_FCNTL_GENERATE; 815 break; 816 case RTE_FC_FULL: 817 fcntl = EFX_FCNTL_RESPOND | EFX_FCNTL_GENERATE; 818 break; 819 default: 820 rc = EINVAL; 821 goto fail_inval; 822 } 823 824 sfc_adapter_lock(sa); 825 826 if (sa->state == SFC_ADAPTER_STARTED) { 827 rc = efx_mac_fcntl_set(sa->nic, fcntl, fc_conf->autoneg); 828 if (rc != 0) 829 goto fail_mac_fcntl_set; 830 } 831 832 port->flow_ctrl = fcntl; 833 port->flow_ctrl_autoneg = fc_conf->autoneg; 834 835 sfc_adapter_unlock(sa); 836 837 return 0; 838 839 fail_mac_fcntl_set: 840 sfc_adapter_unlock(sa); 841 fail_inval: 842 SFC_ASSERT(rc > 0); 843 return -rc; 844 } 845 846 static int 847 sfc_dev_set_mtu(struct rte_eth_dev *dev, uint16_t mtu) 848 { 849 struct sfc_adapter *sa = dev->data->dev_private; 850 size_t pdu = EFX_MAC_PDU(mtu); 851 size_t old_pdu; 852 int rc; 853 854 sfc_log_init(sa, "mtu=%u", mtu); 855 856 rc = EINVAL; 857 if (pdu < EFX_MAC_PDU_MIN) { 858 sfc_err(sa, "too small MTU %u (PDU size %u less than min %u)", 859 (unsigned int)mtu, (unsigned int)pdu, 860 EFX_MAC_PDU_MIN); 861 goto fail_inval; 862 } 863 if (pdu > EFX_MAC_PDU_MAX) { 864 sfc_err(sa, "too big MTU %u (PDU size %u greater than max %u)", 865 (unsigned int)mtu, (unsigned int)pdu, 866 EFX_MAC_PDU_MAX); 867 goto fail_inval; 868 } 869 870 sfc_adapter_lock(sa); 871 872 if (pdu != sa->port.pdu) { 873 if (sa->state == SFC_ADAPTER_STARTED) { 874 sfc_stop(sa); 875 876 old_pdu = sa->port.pdu; 877 sa->port.pdu = pdu; 878 rc = sfc_start(sa); 879 if (rc != 0) 880 goto fail_start; 881 } else { 882 sa->port.pdu = pdu; 883 } 884 } 885 886 /* 887 * The driver does not use it, but other PMDs update jumbo_frame 888 * flag and max_rx_pkt_len when MTU is set. 889 */ 890 if (mtu > ETHER_MAX_LEN) { 891 struct rte_eth_rxmode *rxmode = &dev->data->dev_conf.rxmode; 892 893 rxmode->offloads |= DEV_RX_OFFLOAD_JUMBO_FRAME; 894 rxmode->jumbo_frame = 1; 895 } 896 897 dev->data->dev_conf.rxmode.max_rx_pkt_len = sa->port.pdu; 898 899 sfc_adapter_unlock(sa); 900 901 sfc_log_init(sa, "done"); 902 return 0; 903 904 fail_start: 905 sa->port.pdu = old_pdu; 906 if (sfc_start(sa) != 0) 907 sfc_err(sa, "cannot start with neither new (%u) nor old (%u) " 908 "PDU max size - port is stopped", 909 (unsigned int)pdu, (unsigned int)old_pdu); 910 sfc_adapter_unlock(sa); 911 912 fail_inval: 913 sfc_log_init(sa, "failed %d", rc); 914 SFC_ASSERT(rc > 0); 915 return -rc; 916 } 917 static void 918 sfc_mac_addr_set(struct rte_eth_dev *dev, struct ether_addr *mac_addr) 919 { 920 struct sfc_adapter *sa = dev->data->dev_private; 921 const efx_nic_cfg_t *encp = efx_nic_cfg_get(sa->nic); 922 struct sfc_port *port = &sa->port; 923 int rc; 924 925 sfc_adapter_lock(sa); 926 927 /* 928 * Copy the address to the device private data so that 929 * it could be recalled in the case of adapter restart. 930 */ 931 ether_addr_copy(mac_addr, &port->default_mac_addr); 932 933 if (port->isolated) { 934 sfc_err(sa, "isolated mode is active on the port"); 935 sfc_err(sa, "will not set MAC address"); 936 goto unlock; 937 } 938 939 if (sa->state != SFC_ADAPTER_STARTED) { 940 sfc_notice(sa, "the port is not started"); 941 sfc_notice(sa, "the new MAC address will be set on port start"); 942 943 goto unlock; 944 } 945 946 if (encp->enc_allow_set_mac_with_installed_filters) { 947 rc = efx_mac_addr_set(sa->nic, mac_addr->addr_bytes); 948 if (rc != 0) { 949 sfc_err(sa, "cannot set MAC address (rc = %u)", rc); 950 goto unlock; 951 } 952 953 /* 954 * Changing the MAC address by means of MCDI request 955 * has no effect on received traffic, therefore 956 * we also need to update unicast filters 957 */ 958 rc = sfc_set_rx_mode(sa); 959 if (rc != 0) 960 sfc_err(sa, "cannot set filter (rc = %u)", rc); 961 } else { 962 sfc_warn(sa, "cannot set MAC address with filters installed"); 963 sfc_warn(sa, "adapter will be restarted to pick the new MAC"); 964 sfc_warn(sa, "(some traffic may be dropped)"); 965 966 /* 967 * Since setting MAC address with filters installed is not 968 * allowed on the adapter, the new MAC address will be set 969 * by means of adapter restart. sfc_start() shall retrieve 970 * the new address from the device private data and set it. 971 */ 972 sfc_stop(sa); 973 rc = sfc_start(sa); 974 if (rc != 0) 975 sfc_err(sa, "cannot restart adapter (rc = %u)", rc); 976 } 977 978 unlock: 979 /* 980 * In the case of failure sa->port->default_mac_addr does not 981 * need rollback since no error code is returned, and the upper 982 * API will anyway update the external MAC address storage. 983 * To be consistent with that new value it is better to keep 984 * the device private value the same. 985 */ 986 sfc_adapter_unlock(sa); 987 } 988 989 990 static int 991 sfc_set_mc_addr_list(struct rte_eth_dev *dev, struct ether_addr *mc_addr_set, 992 uint32_t nb_mc_addr) 993 { 994 struct sfc_adapter *sa = dev->data->dev_private; 995 struct sfc_port *port = &sa->port; 996 uint8_t *mc_addrs = port->mcast_addrs; 997 int rc; 998 unsigned int i; 999 1000 if (port->isolated) { 1001 sfc_err(sa, "isolated mode is active on the port"); 1002 sfc_err(sa, "will not set multicast address list"); 1003 return -ENOTSUP; 1004 } 1005 1006 if (mc_addrs == NULL) 1007 return -ENOBUFS; 1008 1009 if (nb_mc_addr > port->max_mcast_addrs) { 1010 sfc_err(sa, "too many multicast addresses: %u > %u", 1011 nb_mc_addr, port->max_mcast_addrs); 1012 return -EINVAL; 1013 } 1014 1015 for (i = 0; i < nb_mc_addr; ++i) { 1016 rte_memcpy(mc_addrs, mc_addr_set[i].addr_bytes, 1017 EFX_MAC_ADDR_LEN); 1018 mc_addrs += EFX_MAC_ADDR_LEN; 1019 } 1020 1021 port->nb_mcast_addrs = nb_mc_addr; 1022 1023 if (sa->state != SFC_ADAPTER_STARTED) 1024 return 0; 1025 1026 rc = efx_mac_multicast_list_set(sa->nic, port->mcast_addrs, 1027 port->nb_mcast_addrs); 1028 if (rc != 0) 1029 sfc_err(sa, "cannot set multicast address list (rc = %u)", rc); 1030 1031 SFC_ASSERT(rc > 0); 1032 return -rc; 1033 } 1034 1035 /* 1036 * The function is used by the secondary process as well. It must not 1037 * use any process-local pointers from the adapter data. 1038 */ 1039 static void 1040 sfc_rx_queue_info_get(struct rte_eth_dev *dev, uint16_t rx_queue_id, 1041 struct rte_eth_rxq_info *qinfo) 1042 { 1043 struct sfc_adapter *sa = dev->data->dev_private; 1044 struct sfc_rxq_info *rxq_info; 1045 struct sfc_rxq *rxq; 1046 1047 sfc_adapter_lock(sa); 1048 1049 SFC_ASSERT(rx_queue_id < sa->rxq_count); 1050 1051 rxq_info = &sa->rxq_info[rx_queue_id]; 1052 rxq = rxq_info->rxq; 1053 SFC_ASSERT(rxq != NULL); 1054 1055 qinfo->mp = rxq->refill_mb_pool; 1056 qinfo->conf.rx_free_thresh = rxq->refill_threshold; 1057 qinfo->conf.rx_drop_en = 1; 1058 qinfo->conf.rx_deferred_start = rxq_info->deferred_start; 1059 qinfo->conf.offloads = DEV_RX_OFFLOAD_IPV4_CKSUM | 1060 DEV_RX_OFFLOAD_UDP_CKSUM | 1061 DEV_RX_OFFLOAD_TCP_CKSUM; 1062 if (rxq_info->type_flags & EFX_RXQ_FLAG_SCATTER) { 1063 qinfo->conf.offloads |= DEV_RX_OFFLOAD_SCATTER; 1064 qinfo->scattered_rx = 1; 1065 } 1066 qinfo->nb_desc = rxq_info->entries; 1067 1068 sfc_adapter_unlock(sa); 1069 } 1070 1071 /* 1072 * The function is used by the secondary process as well. It must not 1073 * use any process-local pointers from the adapter data. 1074 */ 1075 static void 1076 sfc_tx_queue_info_get(struct rte_eth_dev *dev, uint16_t tx_queue_id, 1077 struct rte_eth_txq_info *qinfo) 1078 { 1079 struct sfc_adapter *sa = dev->data->dev_private; 1080 struct sfc_txq_info *txq_info; 1081 1082 sfc_adapter_lock(sa); 1083 1084 SFC_ASSERT(tx_queue_id < sa->txq_count); 1085 1086 txq_info = &sa->txq_info[tx_queue_id]; 1087 SFC_ASSERT(txq_info->txq != NULL); 1088 1089 memset(qinfo, 0, sizeof(*qinfo)); 1090 1091 qinfo->conf.txq_flags = txq_info->txq->flags; 1092 qinfo->conf.offloads = txq_info->txq->offloads; 1093 qinfo->conf.tx_free_thresh = txq_info->txq->free_thresh; 1094 qinfo->conf.tx_deferred_start = txq_info->deferred_start; 1095 qinfo->nb_desc = txq_info->entries; 1096 1097 sfc_adapter_unlock(sa); 1098 } 1099 1100 static uint32_t 1101 sfc_rx_queue_count(struct rte_eth_dev *dev, uint16_t rx_queue_id) 1102 { 1103 struct sfc_adapter *sa = dev->data->dev_private; 1104 1105 sfc_log_init(sa, "RxQ=%u", rx_queue_id); 1106 1107 return sfc_rx_qdesc_npending(sa, rx_queue_id); 1108 } 1109 1110 static int 1111 sfc_rx_descriptor_done(void *queue, uint16_t offset) 1112 { 1113 struct sfc_dp_rxq *dp_rxq = queue; 1114 1115 return sfc_rx_qdesc_done(dp_rxq, offset); 1116 } 1117 1118 static int 1119 sfc_rx_descriptor_status(void *queue, uint16_t offset) 1120 { 1121 struct sfc_dp_rxq *dp_rxq = queue; 1122 struct sfc_rxq *rxq = sfc_rxq_by_dp_rxq(dp_rxq); 1123 1124 return rxq->evq->sa->dp_rx->qdesc_status(dp_rxq, offset); 1125 } 1126 1127 static int 1128 sfc_tx_descriptor_status(void *queue, uint16_t offset) 1129 { 1130 struct sfc_dp_txq *dp_txq = queue; 1131 struct sfc_txq *txq = sfc_txq_by_dp_txq(dp_txq); 1132 1133 return txq->evq->sa->dp_tx->qdesc_status(dp_txq, offset); 1134 } 1135 1136 static int 1137 sfc_rx_queue_start(struct rte_eth_dev *dev, uint16_t rx_queue_id) 1138 { 1139 struct sfc_adapter *sa = dev->data->dev_private; 1140 int rc; 1141 1142 sfc_log_init(sa, "RxQ=%u", rx_queue_id); 1143 1144 sfc_adapter_lock(sa); 1145 1146 rc = EINVAL; 1147 if (sa->state != SFC_ADAPTER_STARTED) 1148 goto fail_not_started; 1149 1150 rc = sfc_rx_qstart(sa, rx_queue_id); 1151 if (rc != 0) 1152 goto fail_rx_qstart; 1153 1154 sa->rxq_info[rx_queue_id].deferred_started = B_TRUE; 1155 1156 sfc_adapter_unlock(sa); 1157 1158 return 0; 1159 1160 fail_rx_qstart: 1161 fail_not_started: 1162 sfc_adapter_unlock(sa); 1163 SFC_ASSERT(rc > 0); 1164 return -rc; 1165 } 1166 1167 static int 1168 sfc_rx_queue_stop(struct rte_eth_dev *dev, uint16_t rx_queue_id) 1169 { 1170 struct sfc_adapter *sa = dev->data->dev_private; 1171 1172 sfc_log_init(sa, "RxQ=%u", rx_queue_id); 1173 1174 sfc_adapter_lock(sa); 1175 sfc_rx_qstop(sa, rx_queue_id); 1176 1177 sa->rxq_info[rx_queue_id].deferred_started = B_FALSE; 1178 1179 sfc_adapter_unlock(sa); 1180 1181 return 0; 1182 } 1183 1184 static int 1185 sfc_tx_queue_start(struct rte_eth_dev *dev, uint16_t tx_queue_id) 1186 { 1187 struct sfc_adapter *sa = dev->data->dev_private; 1188 int rc; 1189 1190 sfc_log_init(sa, "TxQ = %u", tx_queue_id); 1191 1192 sfc_adapter_lock(sa); 1193 1194 rc = EINVAL; 1195 if (sa->state != SFC_ADAPTER_STARTED) 1196 goto fail_not_started; 1197 1198 rc = sfc_tx_qstart(sa, tx_queue_id); 1199 if (rc != 0) 1200 goto fail_tx_qstart; 1201 1202 sa->txq_info[tx_queue_id].deferred_started = B_TRUE; 1203 1204 sfc_adapter_unlock(sa); 1205 return 0; 1206 1207 fail_tx_qstart: 1208 1209 fail_not_started: 1210 sfc_adapter_unlock(sa); 1211 SFC_ASSERT(rc > 0); 1212 return -rc; 1213 } 1214 1215 static int 1216 sfc_tx_queue_stop(struct rte_eth_dev *dev, uint16_t tx_queue_id) 1217 { 1218 struct sfc_adapter *sa = dev->data->dev_private; 1219 1220 sfc_log_init(sa, "TxQ = %u", tx_queue_id); 1221 1222 sfc_adapter_lock(sa); 1223 1224 sfc_tx_qstop(sa, tx_queue_id); 1225 1226 sa->txq_info[tx_queue_id].deferred_started = B_FALSE; 1227 1228 sfc_adapter_unlock(sa); 1229 return 0; 1230 } 1231 1232 static efx_tunnel_protocol_t 1233 sfc_tunnel_rte_type_to_efx_udp_proto(enum rte_eth_tunnel_type rte_type) 1234 { 1235 switch (rte_type) { 1236 case RTE_TUNNEL_TYPE_VXLAN: 1237 return EFX_TUNNEL_PROTOCOL_VXLAN; 1238 case RTE_TUNNEL_TYPE_GENEVE: 1239 return EFX_TUNNEL_PROTOCOL_GENEVE; 1240 default: 1241 return EFX_TUNNEL_NPROTOS; 1242 } 1243 } 1244 1245 enum sfc_udp_tunnel_op_e { 1246 SFC_UDP_TUNNEL_ADD_PORT, 1247 SFC_UDP_TUNNEL_DEL_PORT, 1248 }; 1249 1250 static int 1251 sfc_dev_udp_tunnel_op(struct rte_eth_dev *dev, 1252 struct rte_eth_udp_tunnel *tunnel_udp, 1253 enum sfc_udp_tunnel_op_e op) 1254 { 1255 struct sfc_adapter *sa = dev->data->dev_private; 1256 efx_tunnel_protocol_t tunnel_proto; 1257 int rc; 1258 1259 sfc_log_init(sa, "%s udp_port=%u prot_type=%u", 1260 (op == SFC_UDP_TUNNEL_ADD_PORT) ? "add" : 1261 (op == SFC_UDP_TUNNEL_DEL_PORT) ? "delete" : "unknown", 1262 tunnel_udp->udp_port, tunnel_udp->prot_type); 1263 1264 tunnel_proto = 1265 sfc_tunnel_rte_type_to_efx_udp_proto(tunnel_udp->prot_type); 1266 if (tunnel_proto >= EFX_TUNNEL_NPROTOS) { 1267 rc = ENOTSUP; 1268 goto fail_bad_proto; 1269 } 1270 1271 sfc_adapter_lock(sa); 1272 1273 switch (op) { 1274 case SFC_UDP_TUNNEL_ADD_PORT: 1275 rc = efx_tunnel_config_udp_add(sa->nic, 1276 tunnel_udp->udp_port, 1277 tunnel_proto); 1278 break; 1279 case SFC_UDP_TUNNEL_DEL_PORT: 1280 rc = efx_tunnel_config_udp_remove(sa->nic, 1281 tunnel_udp->udp_port, 1282 tunnel_proto); 1283 break; 1284 default: 1285 rc = EINVAL; 1286 goto fail_bad_op; 1287 } 1288 1289 if (rc != 0) 1290 goto fail_op; 1291 1292 if (sa->state == SFC_ADAPTER_STARTED) { 1293 rc = efx_tunnel_reconfigure(sa->nic); 1294 if (rc == EAGAIN) { 1295 /* 1296 * Configuration is accepted by FW and MC reboot 1297 * is initiated to apply the changes. MC reboot 1298 * will be handled in a usual way (MC reboot 1299 * event on management event queue and adapter 1300 * restart). 1301 */ 1302 rc = 0; 1303 } else if (rc != 0) { 1304 goto fail_reconfigure; 1305 } 1306 } 1307 1308 sfc_adapter_unlock(sa); 1309 return 0; 1310 1311 fail_reconfigure: 1312 /* Remove/restore entry since the change makes the trouble */ 1313 switch (op) { 1314 case SFC_UDP_TUNNEL_ADD_PORT: 1315 (void)efx_tunnel_config_udp_remove(sa->nic, 1316 tunnel_udp->udp_port, 1317 tunnel_proto); 1318 break; 1319 case SFC_UDP_TUNNEL_DEL_PORT: 1320 (void)efx_tunnel_config_udp_add(sa->nic, 1321 tunnel_udp->udp_port, 1322 tunnel_proto); 1323 break; 1324 } 1325 1326 fail_op: 1327 fail_bad_op: 1328 sfc_adapter_unlock(sa); 1329 1330 fail_bad_proto: 1331 SFC_ASSERT(rc > 0); 1332 return -rc; 1333 } 1334 1335 static int 1336 sfc_dev_udp_tunnel_port_add(struct rte_eth_dev *dev, 1337 struct rte_eth_udp_tunnel *tunnel_udp) 1338 { 1339 return sfc_dev_udp_tunnel_op(dev, tunnel_udp, SFC_UDP_TUNNEL_ADD_PORT); 1340 } 1341 1342 static int 1343 sfc_dev_udp_tunnel_port_del(struct rte_eth_dev *dev, 1344 struct rte_eth_udp_tunnel *tunnel_udp) 1345 { 1346 return sfc_dev_udp_tunnel_op(dev, tunnel_udp, SFC_UDP_TUNNEL_DEL_PORT); 1347 } 1348 1349 #if EFSYS_OPT_RX_SCALE 1350 static int 1351 sfc_dev_rss_hash_conf_get(struct rte_eth_dev *dev, 1352 struct rte_eth_rss_conf *rss_conf) 1353 { 1354 struct sfc_adapter *sa = dev->data->dev_private; 1355 struct sfc_port *port = &sa->port; 1356 1357 if ((sa->rss_support != EFX_RX_SCALE_EXCLUSIVE) || port->isolated) 1358 return -ENOTSUP; 1359 1360 if (sa->rss_channels == 0) 1361 return -EINVAL; 1362 1363 sfc_adapter_lock(sa); 1364 1365 /* 1366 * Mapping of hash configuration between RTE and EFX is not one-to-one, 1367 * hence, conversion is done here to derive a correct set of ETH_RSS 1368 * flags which corresponds to the active EFX configuration stored 1369 * locally in 'sfc_adapter' and kept up-to-date 1370 */ 1371 rss_conf->rss_hf = sfc_efx_to_rte_hash_type(sa->rss_hash_types); 1372 rss_conf->rss_key_len = EFX_RSS_KEY_SIZE; 1373 if (rss_conf->rss_key != NULL) 1374 rte_memcpy(rss_conf->rss_key, sa->rss_key, EFX_RSS_KEY_SIZE); 1375 1376 sfc_adapter_unlock(sa); 1377 1378 return 0; 1379 } 1380 1381 static int 1382 sfc_dev_rss_hash_update(struct rte_eth_dev *dev, 1383 struct rte_eth_rss_conf *rss_conf) 1384 { 1385 struct sfc_adapter *sa = dev->data->dev_private; 1386 struct sfc_port *port = &sa->port; 1387 unsigned int efx_hash_types; 1388 int rc = 0; 1389 1390 if (port->isolated) 1391 return -ENOTSUP; 1392 1393 if (sa->rss_support != EFX_RX_SCALE_EXCLUSIVE) { 1394 sfc_err(sa, "RSS is not available"); 1395 return -ENOTSUP; 1396 } 1397 1398 if (sa->rss_channels == 0) { 1399 sfc_err(sa, "RSS is not configured"); 1400 return -EINVAL; 1401 } 1402 1403 if ((rss_conf->rss_key != NULL) && 1404 (rss_conf->rss_key_len != sizeof(sa->rss_key))) { 1405 sfc_err(sa, "RSS key size is wrong (should be %lu)", 1406 sizeof(sa->rss_key)); 1407 return -EINVAL; 1408 } 1409 1410 if ((rss_conf->rss_hf & ~SFC_RSS_OFFLOADS) != 0) { 1411 sfc_err(sa, "unsupported hash functions requested"); 1412 return -EINVAL; 1413 } 1414 1415 sfc_adapter_lock(sa); 1416 1417 efx_hash_types = sfc_rte_to_efx_hash_type(rss_conf->rss_hf); 1418 1419 rc = efx_rx_scale_mode_set(sa->nic, EFX_RSS_CONTEXT_DEFAULT, 1420 EFX_RX_HASHALG_TOEPLITZ, 1421 efx_hash_types, B_TRUE); 1422 if (rc != 0) 1423 goto fail_scale_mode_set; 1424 1425 if (rss_conf->rss_key != NULL) { 1426 if (sa->state == SFC_ADAPTER_STARTED) { 1427 rc = efx_rx_scale_key_set(sa->nic, 1428 EFX_RSS_CONTEXT_DEFAULT, 1429 rss_conf->rss_key, 1430 sizeof(sa->rss_key)); 1431 if (rc != 0) 1432 goto fail_scale_key_set; 1433 } 1434 1435 rte_memcpy(sa->rss_key, rss_conf->rss_key, sizeof(sa->rss_key)); 1436 } 1437 1438 sa->rss_hash_types = efx_hash_types; 1439 1440 sfc_adapter_unlock(sa); 1441 1442 return 0; 1443 1444 fail_scale_key_set: 1445 if (efx_rx_scale_mode_set(sa->nic, EFX_RSS_CONTEXT_DEFAULT, 1446 EFX_RX_HASHALG_TOEPLITZ, 1447 sa->rss_hash_types, B_TRUE) != 0) 1448 sfc_err(sa, "failed to restore RSS mode"); 1449 1450 fail_scale_mode_set: 1451 sfc_adapter_unlock(sa); 1452 return -rc; 1453 } 1454 1455 static int 1456 sfc_dev_rss_reta_query(struct rte_eth_dev *dev, 1457 struct rte_eth_rss_reta_entry64 *reta_conf, 1458 uint16_t reta_size) 1459 { 1460 struct sfc_adapter *sa = dev->data->dev_private; 1461 struct sfc_port *port = &sa->port; 1462 int entry; 1463 1464 if ((sa->rss_support != EFX_RX_SCALE_EXCLUSIVE) || port->isolated) 1465 return -ENOTSUP; 1466 1467 if (sa->rss_channels == 0) 1468 return -EINVAL; 1469 1470 if (reta_size != EFX_RSS_TBL_SIZE) 1471 return -EINVAL; 1472 1473 sfc_adapter_lock(sa); 1474 1475 for (entry = 0; entry < reta_size; entry++) { 1476 int grp = entry / RTE_RETA_GROUP_SIZE; 1477 int grp_idx = entry % RTE_RETA_GROUP_SIZE; 1478 1479 if ((reta_conf[grp].mask >> grp_idx) & 1) 1480 reta_conf[grp].reta[grp_idx] = sa->rss_tbl[entry]; 1481 } 1482 1483 sfc_adapter_unlock(sa); 1484 1485 return 0; 1486 } 1487 1488 static int 1489 sfc_dev_rss_reta_update(struct rte_eth_dev *dev, 1490 struct rte_eth_rss_reta_entry64 *reta_conf, 1491 uint16_t reta_size) 1492 { 1493 struct sfc_adapter *sa = dev->data->dev_private; 1494 struct sfc_port *port = &sa->port; 1495 unsigned int *rss_tbl_new; 1496 uint16_t entry; 1497 int rc = 0; 1498 1499 1500 if (port->isolated) 1501 return -ENOTSUP; 1502 1503 if (sa->rss_support != EFX_RX_SCALE_EXCLUSIVE) { 1504 sfc_err(sa, "RSS is not available"); 1505 return -ENOTSUP; 1506 } 1507 1508 if (sa->rss_channels == 0) { 1509 sfc_err(sa, "RSS is not configured"); 1510 return -EINVAL; 1511 } 1512 1513 if (reta_size != EFX_RSS_TBL_SIZE) { 1514 sfc_err(sa, "RETA size is wrong (should be %u)", 1515 EFX_RSS_TBL_SIZE); 1516 return -EINVAL; 1517 } 1518 1519 rss_tbl_new = rte_zmalloc("rss_tbl_new", sizeof(sa->rss_tbl), 0); 1520 if (rss_tbl_new == NULL) 1521 return -ENOMEM; 1522 1523 sfc_adapter_lock(sa); 1524 1525 rte_memcpy(rss_tbl_new, sa->rss_tbl, sizeof(sa->rss_tbl)); 1526 1527 for (entry = 0; entry < reta_size; entry++) { 1528 int grp_idx = entry % RTE_RETA_GROUP_SIZE; 1529 struct rte_eth_rss_reta_entry64 *grp; 1530 1531 grp = &reta_conf[entry / RTE_RETA_GROUP_SIZE]; 1532 1533 if (grp->mask & (1ull << grp_idx)) { 1534 if (grp->reta[grp_idx] >= sa->rss_channels) { 1535 rc = EINVAL; 1536 goto bad_reta_entry; 1537 } 1538 rss_tbl_new[entry] = grp->reta[grp_idx]; 1539 } 1540 } 1541 1542 if (sa->state == SFC_ADAPTER_STARTED) { 1543 rc = efx_rx_scale_tbl_set(sa->nic, EFX_RSS_CONTEXT_DEFAULT, 1544 rss_tbl_new, EFX_RSS_TBL_SIZE); 1545 if (rc != 0) 1546 goto fail_scale_tbl_set; 1547 } 1548 1549 rte_memcpy(sa->rss_tbl, rss_tbl_new, sizeof(sa->rss_tbl)); 1550 1551 fail_scale_tbl_set: 1552 bad_reta_entry: 1553 sfc_adapter_unlock(sa); 1554 1555 rte_free(rss_tbl_new); 1556 1557 SFC_ASSERT(rc >= 0); 1558 return -rc; 1559 } 1560 #endif 1561 1562 static int 1563 sfc_dev_filter_ctrl(struct rte_eth_dev *dev, enum rte_filter_type filter_type, 1564 enum rte_filter_op filter_op, 1565 void *arg) 1566 { 1567 struct sfc_adapter *sa = dev->data->dev_private; 1568 int rc = ENOTSUP; 1569 1570 sfc_log_init(sa, "entry"); 1571 1572 switch (filter_type) { 1573 case RTE_ETH_FILTER_NONE: 1574 sfc_err(sa, "Global filters configuration not supported"); 1575 break; 1576 case RTE_ETH_FILTER_MACVLAN: 1577 sfc_err(sa, "MACVLAN filters not supported"); 1578 break; 1579 case RTE_ETH_FILTER_ETHERTYPE: 1580 sfc_err(sa, "EtherType filters not supported"); 1581 break; 1582 case RTE_ETH_FILTER_FLEXIBLE: 1583 sfc_err(sa, "Flexible filters not supported"); 1584 break; 1585 case RTE_ETH_FILTER_SYN: 1586 sfc_err(sa, "SYN filters not supported"); 1587 break; 1588 case RTE_ETH_FILTER_NTUPLE: 1589 sfc_err(sa, "NTUPLE filters not supported"); 1590 break; 1591 case RTE_ETH_FILTER_TUNNEL: 1592 sfc_err(sa, "Tunnel filters not supported"); 1593 break; 1594 case RTE_ETH_FILTER_FDIR: 1595 sfc_err(sa, "Flow Director filters not supported"); 1596 break; 1597 case RTE_ETH_FILTER_HASH: 1598 sfc_err(sa, "Hash filters not supported"); 1599 break; 1600 case RTE_ETH_FILTER_GENERIC: 1601 if (filter_op != RTE_ETH_FILTER_GET) { 1602 rc = EINVAL; 1603 } else { 1604 *(const void **)arg = &sfc_flow_ops; 1605 rc = 0; 1606 } 1607 break; 1608 default: 1609 sfc_err(sa, "Unknown filter type %u", filter_type); 1610 break; 1611 } 1612 1613 sfc_log_init(sa, "exit: %d", -rc); 1614 SFC_ASSERT(rc >= 0); 1615 return -rc; 1616 } 1617 1618 static const struct eth_dev_ops sfc_eth_dev_ops = { 1619 .dev_configure = sfc_dev_configure, 1620 .dev_start = sfc_dev_start, 1621 .dev_stop = sfc_dev_stop, 1622 .dev_set_link_up = sfc_dev_set_link_up, 1623 .dev_set_link_down = sfc_dev_set_link_down, 1624 .dev_close = sfc_dev_close, 1625 .promiscuous_enable = sfc_dev_promisc_enable, 1626 .promiscuous_disable = sfc_dev_promisc_disable, 1627 .allmulticast_enable = sfc_dev_allmulti_enable, 1628 .allmulticast_disable = sfc_dev_allmulti_disable, 1629 .link_update = sfc_dev_link_update, 1630 .stats_get = sfc_stats_get, 1631 .stats_reset = sfc_stats_reset, 1632 .xstats_get = sfc_xstats_get, 1633 .xstats_reset = sfc_stats_reset, 1634 .xstats_get_names = sfc_xstats_get_names, 1635 .dev_infos_get = sfc_dev_infos_get, 1636 .dev_supported_ptypes_get = sfc_dev_supported_ptypes_get, 1637 .mtu_set = sfc_dev_set_mtu, 1638 .rx_queue_start = sfc_rx_queue_start, 1639 .rx_queue_stop = sfc_rx_queue_stop, 1640 .tx_queue_start = sfc_tx_queue_start, 1641 .tx_queue_stop = sfc_tx_queue_stop, 1642 .rx_queue_setup = sfc_rx_queue_setup, 1643 .rx_queue_release = sfc_rx_queue_release, 1644 .rx_queue_count = sfc_rx_queue_count, 1645 .rx_descriptor_done = sfc_rx_descriptor_done, 1646 .rx_descriptor_status = sfc_rx_descriptor_status, 1647 .tx_descriptor_status = sfc_tx_descriptor_status, 1648 .tx_queue_setup = sfc_tx_queue_setup, 1649 .tx_queue_release = sfc_tx_queue_release, 1650 .flow_ctrl_get = sfc_flow_ctrl_get, 1651 .flow_ctrl_set = sfc_flow_ctrl_set, 1652 .mac_addr_set = sfc_mac_addr_set, 1653 .udp_tunnel_port_add = sfc_dev_udp_tunnel_port_add, 1654 .udp_tunnel_port_del = sfc_dev_udp_tunnel_port_del, 1655 #if EFSYS_OPT_RX_SCALE 1656 .reta_update = sfc_dev_rss_reta_update, 1657 .reta_query = sfc_dev_rss_reta_query, 1658 .rss_hash_update = sfc_dev_rss_hash_update, 1659 .rss_hash_conf_get = sfc_dev_rss_hash_conf_get, 1660 #endif 1661 .filter_ctrl = sfc_dev_filter_ctrl, 1662 .set_mc_addr_list = sfc_set_mc_addr_list, 1663 .rxq_info_get = sfc_rx_queue_info_get, 1664 .txq_info_get = sfc_tx_queue_info_get, 1665 .fw_version_get = sfc_fw_version_get, 1666 .xstats_get_by_id = sfc_xstats_get_by_id, 1667 .xstats_get_names_by_id = sfc_xstats_get_names_by_id, 1668 }; 1669 1670 /** 1671 * Duplicate a string in potentially shared memory required for 1672 * multi-process support. 1673 * 1674 * strdup() allocates from process-local heap/memory. 1675 */ 1676 static char * 1677 sfc_strdup(const char *str) 1678 { 1679 size_t size; 1680 char *copy; 1681 1682 if (str == NULL) 1683 return NULL; 1684 1685 size = strlen(str) + 1; 1686 copy = rte_malloc(__func__, size, 0); 1687 if (copy != NULL) 1688 rte_memcpy(copy, str, size); 1689 1690 return copy; 1691 } 1692 1693 static int 1694 sfc_eth_dev_set_ops(struct rte_eth_dev *dev) 1695 { 1696 struct sfc_adapter *sa = dev->data->dev_private; 1697 unsigned int avail_caps = 0; 1698 const char *rx_name = NULL; 1699 const char *tx_name = NULL; 1700 int rc; 1701 1702 switch (sa->family) { 1703 case EFX_FAMILY_HUNTINGTON: 1704 case EFX_FAMILY_MEDFORD: 1705 case EFX_FAMILY_MEDFORD2: 1706 avail_caps |= SFC_DP_HW_FW_CAP_EF10; 1707 break; 1708 default: 1709 break; 1710 } 1711 1712 rc = sfc_kvargs_process(sa, SFC_KVARG_RX_DATAPATH, 1713 sfc_kvarg_string_handler, &rx_name); 1714 if (rc != 0) 1715 goto fail_kvarg_rx_datapath; 1716 1717 if (rx_name != NULL) { 1718 sa->dp_rx = sfc_dp_find_rx_by_name(&sfc_dp_head, rx_name); 1719 if (sa->dp_rx == NULL) { 1720 sfc_err(sa, "Rx datapath %s not found", rx_name); 1721 rc = ENOENT; 1722 goto fail_dp_rx; 1723 } 1724 if (!sfc_dp_match_hw_fw_caps(&sa->dp_rx->dp, avail_caps)) { 1725 sfc_err(sa, 1726 "Insufficient Hw/FW capabilities to use Rx datapath %s", 1727 rx_name); 1728 rc = EINVAL; 1729 goto fail_dp_rx_caps; 1730 } 1731 } else { 1732 sa->dp_rx = sfc_dp_find_rx_by_caps(&sfc_dp_head, avail_caps); 1733 if (sa->dp_rx == NULL) { 1734 sfc_err(sa, "Rx datapath by caps %#x not found", 1735 avail_caps); 1736 rc = ENOENT; 1737 goto fail_dp_rx; 1738 } 1739 } 1740 1741 sa->dp_rx_name = sfc_strdup(sa->dp_rx->dp.name); 1742 if (sa->dp_rx_name == NULL) { 1743 rc = ENOMEM; 1744 goto fail_dp_rx_name; 1745 } 1746 1747 sfc_notice(sa, "use %s Rx datapath", sa->dp_rx_name); 1748 1749 dev->rx_pkt_burst = sa->dp_rx->pkt_burst; 1750 1751 rc = sfc_kvargs_process(sa, SFC_KVARG_TX_DATAPATH, 1752 sfc_kvarg_string_handler, &tx_name); 1753 if (rc != 0) 1754 goto fail_kvarg_tx_datapath; 1755 1756 if (tx_name != NULL) { 1757 sa->dp_tx = sfc_dp_find_tx_by_name(&sfc_dp_head, tx_name); 1758 if (sa->dp_tx == NULL) { 1759 sfc_err(sa, "Tx datapath %s not found", tx_name); 1760 rc = ENOENT; 1761 goto fail_dp_tx; 1762 } 1763 if (!sfc_dp_match_hw_fw_caps(&sa->dp_tx->dp, avail_caps)) { 1764 sfc_err(sa, 1765 "Insufficient Hw/FW capabilities to use Tx datapath %s", 1766 tx_name); 1767 rc = EINVAL; 1768 goto fail_dp_tx_caps; 1769 } 1770 } else { 1771 sa->dp_tx = sfc_dp_find_tx_by_caps(&sfc_dp_head, avail_caps); 1772 if (sa->dp_tx == NULL) { 1773 sfc_err(sa, "Tx datapath by caps %#x not found", 1774 avail_caps); 1775 rc = ENOENT; 1776 goto fail_dp_tx; 1777 } 1778 } 1779 1780 sa->dp_tx_name = sfc_strdup(sa->dp_tx->dp.name); 1781 if (sa->dp_tx_name == NULL) { 1782 rc = ENOMEM; 1783 goto fail_dp_tx_name; 1784 } 1785 1786 sfc_notice(sa, "use %s Tx datapath", sa->dp_tx_name); 1787 1788 dev->tx_pkt_burst = sa->dp_tx->pkt_burst; 1789 1790 dev->dev_ops = &sfc_eth_dev_ops; 1791 1792 return 0; 1793 1794 fail_dp_tx_name: 1795 fail_dp_tx_caps: 1796 sa->dp_tx = NULL; 1797 1798 fail_dp_tx: 1799 fail_kvarg_tx_datapath: 1800 rte_free(sa->dp_rx_name); 1801 sa->dp_rx_name = NULL; 1802 1803 fail_dp_rx_name: 1804 fail_dp_rx_caps: 1805 sa->dp_rx = NULL; 1806 1807 fail_dp_rx: 1808 fail_kvarg_rx_datapath: 1809 return rc; 1810 } 1811 1812 static void 1813 sfc_eth_dev_clear_ops(struct rte_eth_dev *dev) 1814 { 1815 struct sfc_adapter *sa = dev->data->dev_private; 1816 1817 dev->dev_ops = NULL; 1818 dev->rx_pkt_burst = NULL; 1819 dev->tx_pkt_burst = NULL; 1820 1821 rte_free(sa->dp_tx_name); 1822 sa->dp_tx_name = NULL; 1823 sa->dp_tx = NULL; 1824 1825 rte_free(sa->dp_rx_name); 1826 sa->dp_rx_name = NULL; 1827 sa->dp_rx = NULL; 1828 } 1829 1830 static const struct eth_dev_ops sfc_eth_dev_secondary_ops = { 1831 .rxq_info_get = sfc_rx_queue_info_get, 1832 .txq_info_get = sfc_tx_queue_info_get, 1833 }; 1834 1835 static int 1836 sfc_eth_dev_secondary_set_ops(struct rte_eth_dev *dev) 1837 { 1838 /* 1839 * Device private data has really many process-local pointers. 1840 * Below code should be extremely careful to use data located 1841 * in shared memory only. 1842 */ 1843 struct sfc_adapter *sa = dev->data->dev_private; 1844 const struct sfc_dp_rx *dp_rx; 1845 const struct sfc_dp_tx *dp_tx; 1846 int rc; 1847 1848 dp_rx = sfc_dp_find_rx_by_name(&sfc_dp_head, sa->dp_rx_name); 1849 if (dp_rx == NULL) { 1850 sfc_err(sa, "cannot find %s Rx datapath", sa->dp_tx_name); 1851 rc = ENOENT; 1852 goto fail_dp_rx; 1853 } 1854 if (~dp_rx->features & SFC_DP_RX_FEAT_MULTI_PROCESS) { 1855 sfc_err(sa, "%s Rx datapath does not support multi-process", 1856 sa->dp_tx_name); 1857 rc = EINVAL; 1858 goto fail_dp_rx_multi_process; 1859 } 1860 1861 dp_tx = sfc_dp_find_tx_by_name(&sfc_dp_head, sa->dp_tx_name); 1862 if (dp_tx == NULL) { 1863 sfc_err(sa, "cannot find %s Tx datapath", sa->dp_tx_name); 1864 rc = ENOENT; 1865 goto fail_dp_tx; 1866 } 1867 if (~dp_tx->features & SFC_DP_TX_FEAT_MULTI_PROCESS) { 1868 sfc_err(sa, "%s Tx datapath does not support multi-process", 1869 sa->dp_tx_name); 1870 rc = EINVAL; 1871 goto fail_dp_tx_multi_process; 1872 } 1873 1874 dev->rx_pkt_burst = dp_rx->pkt_burst; 1875 dev->tx_pkt_burst = dp_tx->pkt_burst; 1876 dev->dev_ops = &sfc_eth_dev_secondary_ops; 1877 1878 return 0; 1879 1880 fail_dp_tx_multi_process: 1881 fail_dp_tx: 1882 fail_dp_rx_multi_process: 1883 fail_dp_rx: 1884 return rc; 1885 } 1886 1887 static void 1888 sfc_eth_dev_secondary_clear_ops(struct rte_eth_dev *dev) 1889 { 1890 dev->dev_ops = NULL; 1891 dev->tx_pkt_burst = NULL; 1892 dev->rx_pkt_burst = NULL; 1893 } 1894 1895 static void 1896 sfc_register_dp(void) 1897 { 1898 /* Register once */ 1899 if (TAILQ_EMPTY(&sfc_dp_head)) { 1900 /* Prefer EF10 datapath */ 1901 sfc_dp_register(&sfc_dp_head, &sfc_ef10_rx.dp); 1902 sfc_dp_register(&sfc_dp_head, &sfc_efx_rx.dp); 1903 1904 sfc_dp_register(&sfc_dp_head, &sfc_ef10_tx.dp); 1905 sfc_dp_register(&sfc_dp_head, &sfc_efx_tx.dp); 1906 sfc_dp_register(&sfc_dp_head, &sfc_ef10_simple_tx.dp); 1907 } 1908 } 1909 1910 static int 1911 sfc_eth_dev_init(struct rte_eth_dev *dev) 1912 { 1913 struct sfc_adapter *sa = dev->data->dev_private; 1914 struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev); 1915 int rc; 1916 const efx_nic_cfg_t *encp; 1917 const struct ether_addr *from; 1918 1919 sfc_register_dp(); 1920 1921 if (rte_eal_process_type() != RTE_PROC_PRIMARY) 1922 return -sfc_eth_dev_secondary_set_ops(dev); 1923 1924 /* Required for logging */ 1925 sa->pci_addr = pci_dev->addr; 1926 sa->port_id = dev->data->port_id; 1927 1928 sa->eth_dev = dev; 1929 1930 /* Copy PCI device info to the dev->data */ 1931 rte_eth_copy_pci_info(dev, pci_dev); 1932 1933 sa->logtype_main = sfc_register_logtype(sa, SFC_LOGTYPE_MAIN_STR, 1934 RTE_LOG_NOTICE); 1935 1936 rc = sfc_kvargs_parse(sa); 1937 if (rc != 0) 1938 goto fail_kvargs_parse; 1939 1940 sfc_log_init(sa, "entry"); 1941 1942 dev->data->mac_addrs = rte_zmalloc("sfc", ETHER_ADDR_LEN, 0); 1943 if (dev->data->mac_addrs == NULL) { 1944 rc = ENOMEM; 1945 goto fail_mac_addrs; 1946 } 1947 1948 sfc_adapter_lock_init(sa); 1949 sfc_adapter_lock(sa); 1950 1951 sfc_log_init(sa, "probing"); 1952 rc = sfc_probe(sa); 1953 if (rc != 0) 1954 goto fail_probe; 1955 1956 sfc_log_init(sa, "set device ops"); 1957 rc = sfc_eth_dev_set_ops(dev); 1958 if (rc != 0) 1959 goto fail_set_ops; 1960 1961 sfc_log_init(sa, "attaching"); 1962 rc = sfc_attach(sa); 1963 if (rc != 0) 1964 goto fail_attach; 1965 1966 encp = efx_nic_cfg_get(sa->nic); 1967 1968 /* 1969 * The arguments are really reverse order in comparison to 1970 * Linux kernel. Copy from NIC config to Ethernet device data. 1971 */ 1972 from = (const struct ether_addr *)(encp->enc_mac_addr); 1973 ether_addr_copy(from, &dev->data->mac_addrs[0]); 1974 1975 sfc_adapter_unlock(sa); 1976 1977 sfc_log_init(sa, "done"); 1978 return 0; 1979 1980 fail_attach: 1981 sfc_eth_dev_clear_ops(dev); 1982 1983 fail_set_ops: 1984 sfc_unprobe(sa); 1985 1986 fail_probe: 1987 sfc_adapter_unlock(sa); 1988 sfc_adapter_lock_fini(sa); 1989 rte_free(dev->data->mac_addrs); 1990 dev->data->mac_addrs = NULL; 1991 1992 fail_mac_addrs: 1993 sfc_kvargs_cleanup(sa); 1994 1995 fail_kvargs_parse: 1996 sfc_log_init(sa, "failed %d", rc); 1997 SFC_ASSERT(rc > 0); 1998 return -rc; 1999 } 2000 2001 static int 2002 sfc_eth_dev_uninit(struct rte_eth_dev *dev) 2003 { 2004 struct sfc_adapter *sa; 2005 2006 if (rte_eal_process_type() != RTE_PROC_PRIMARY) { 2007 sfc_eth_dev_secondary_clear_ops(dev); 2008 return 0; 2009 } 2010 2011 sa = dev->data->dev_private; 2012 sfc_log_init(sa, "entry"); 2013 2014 sfc_adapter_lock(sa); 2015 2016 sfc_eth_dev_clear_ops(dev); 2017 2018 sfc_detach(sa); 2019 sfc_unprobe(sa); 2020 2021 rte_free(dev->data->mac_addrs); 2022 dev->data->mac_addrs = NULL; 2023 2024 sfc_kvargs_cleanup(sa); 2025 2026 sfc_adapter_unlock(sa); 2027 sfc_adapter_lock_fini(sa); 2028 2029 sfc_log_init(sa, "done"); 2030 2031 /* Required for logging, so cleanup last */ 2032 sa->eth_dev = NULL; 2033 return 0; 2034 } 2035 2036 static const struct rte_pci_id pci_id_sfc_efx_map[] = { 2037 { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_FARMINGDALE) }, 2038 { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_FARMINGDALE_VF) }, 2039 { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_GREENPORT) }, 2040 { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_GREENPORT_VF) }, 2041 { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_MEDFORD) }, 2042 { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_MEDFORD_VF) }, 2043 { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_MEDFORD2) }, 2044 { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_MEDFORD2_VF) }, 2045 { .vendor_id = 0 /* sentinel */ } 2046 }; 2047 2048 static int sfc_eth_dev_pci_probe(struct rte_pci_driver *pci_drv __rte_unused, 2049 struct rte_pci_device *pci_dev) 2050 { 2051 return rte_eth_dev_pci_generic_probe(pci_dev, 2052 sizeof(struct sfc_adapter), sfc_eth_dev_init); 2053 } 2054 2055 static int sfc_eth_dev_pci_remove(struct rte_pci_device *pci_dev) 2056 { 2057 return rte_eth_dev_pci_generic_remove(pci_dev, sfc_eth_dev_uninit); 2058 } 2059 2060 static struct rte_pci_driver sfc_efx_pmd = { 2061 .id_table = pci_id_sfc_efx_map, 2062 .drv_flags = 2063 RTE_PCI_DRV_INTR_LSC | 2064 RTE_PCI_DRV_NEED_MAPPING, 2065 .probe = sfc_eth_dev_pci_probe, 2066 .remove = sfc_eth_dev_pci_remove, 2067 }; 2068 2069 RTE_PMD_REGISTER_PCI(net_sfc_efx, sfc_efx_pmd); 2070 RTE_PMD_REGISTER_PCI_TABLE(net_sfc_efx, pci_id_sfc_efx_map); 2071 RTE_PMD_REGISTER_KMOD_DEP(net_sfc_efx, "* igb_uio | uio_pci_generic | vfio-pci"); 2072 RTE_PMD_REGISTER_PARAM_STRING(net_sfc_efx, 2073 SFC_KVARG_RX_DATAPATH "=" SFC_KVARG_VALUES_RX_DATAPATH " " 2074 SFC_KVARG_TX_DATAPATH "=" SFC_KVARG_VALUES_TX_DATAPATH " " 2075 SFC_KVARG_PERF_PROFILE "=" SFC_KVARG_VALUES_PERF_PROFILE " " 2076 SFC_KVARG_FW_VARIANT "=" SFC_KVARG_VALUES_FW_VARIANT " " 2077 SFC_KVARG_STATS_UPDATE_PERIOD_MS "=<long>"); 2078 2079 RTE_INIT(sfc_driver_register_logtype); 2080 static void 2081 sfc_driver_register_logtype(void) 2082 { 2083 int ret; 2084 2085 ret = rte_log_register_type_and_pick_level(SFC_LOGTYPE_PREFIX "driver", 2086 RTE_LOG_NOTICE); 2087 sfc_logtype_driver = (ret < 0) ? RTE_LOGTYPE_PMD : ret; 2088 } 2089