1 /* SPDX-License-Identifier: BSD-3-Clause 2 * Copyright (c) 2014-2021 Netronome Systems, Inc. 3 * All rights reserved. 4 * 5 * Small portions derived from code Copyright(c) 2010-2015 Intel Corporation. 6 */ 7 8 #include <unistd.h> 9 10 #include <eal_firmware.h> 11 #include <rte_alarm.h> 12 #include <rte_kvargs.h> 13 14 #include "flower/nfp_flower.h" 15 #include "nfd3/nfp_nfd3.h" 16 #include "nfdk/nfp_nfdk.h" 17 #include "nfpcore/nfp_cpp.h" 18 #include "nfpcore/nfp_elf.h" 19 #include "nfpcore/nfp_hwinfo.h" 20 #include "nfpcore/nfp_rtsym.h" 21 #include "nfpcore/nfp_nsp.h" 22 #include "nfpcore/nfp6000_pcie.h" 23 #include "nfpcore/nfp_resource.h" 24 #include "nfpcore/nfp_sync.h" 25 26 #include "nfp_cpp_bridge.h" 27 #include "nfp_ipsec.h" 28 #include "nfp_logs.h" 29 #include "nfp_net_flow.h" 30 31 /* 64-bit per app capabilities */ 32 #define NFP_NET_APP_CAP_SP_INDIFF RTE_BIT64(0) /* Indifferent to port speed */ 33 34 #define NFP_PF_DRIVER_NAME net_nfp_pf 35 #define NFP_PF_FORCE_RELOAD_FW "force_reload_fw" 36 37 static int 38 nfp_devarg_handle_int(const char *key, 39 const char *value, 40 void *extra_args) 41 { 42 char *end_ptr; 43 uint64_t *num = extra_args; 44 45 if (value == NULL) 46 return -EPERM; 47 48 *num = strtoul(value, &end_ptr, 10); 49 if (*num == ULONG_MAX) { 50 PMD_DRV_LOG(ERR, "%s: '%s' is not a valid param", key, value); 51 return -ERANGE; 52 } else if (value == end_ptr) { 53 return -EPERM; 54 } 55 56 return 0; 57 } 58 59 static void 60 nfp_devarg_parse_force_reload_fw(struct rte_kvargs *kvlist, 61 bool *force_reload_fw) 62 { 63 int ret; 64 uint64_t value; 65 66 67 if (rte_kvargs_count(kvlist, NFP_PF_FORCE_RELOAD_FW) != 1) 68 return; 69 70 ret = rte_kvargs_process(kvlist, NFP_PF_FORCE_RELOAD_FW, &nfp_devarg_handle_int, &value); 71 if (ret != 0) 72 return; 73 74 if (value == 1) 75 *force_reload_fw = true; 76 else if (value == 0) 77 *force_reload_fw = false; 78 else 79 PMD_DRV_LOG(ERR, "The param does not work, the format is %s=0/1", 80 NFP_PF_FORCE_RELOAD_FW); 81 } 82 83 static void 84 nfp_devargs_parse(struct nfp_devargs *nfp_devargs_param, 85 const struct rte_devargs *devargs) 86 { 87 struct rte_kvargs *kvlist; 88 89 if (devargs == NULL) 90 return; 91 92 kvlist = rte_kvargs_parse(devargs->args, NULL); 93 if (kvlist == NULL) 94 return; 95 96 nfp_devarg_parse_force_reload_fw(kvlist, &nfp_devargs_param->force_reload_fw); 97 98 rte_kvargs_free(kvlist); 99 } 100 101 static void 102 nfp_net_pf_read_mac(struct nfp_app_fw_nic *app_fw_nic, 103 uint16_t port) 104 { 105 struct nfp_net_hw *hw; 106 struct nfp_eth_table *nfp_eth_table; 107 108 /* Grab a pointer to the correct physical port */ 109 hw = app_fw_nic->ports[port]; 110 111 nfp_eth_table = app_fw_nic->pf_dev->nfp_eth_table; 112 113 rte_ether_addr_copy(&nfp_eth_table->ports[port].mac_addr, &hw->super.mac_addr); 114 } 115 116 static uint32_t 117 nfp_net_speed_bitmap2speed(uint32_t speeds_bitmap) 118 { 119 switch (speeds_bitmap) { 120 case RTE_ETH_LINK_SPEED_10M_HD: 121 return RTE_ETH_SPEED_NUM_10M; 122 case RTE_ETH_LINK_SPEED_10M: 123 return RTE_ETH_SPEED_NUM_10M; 124 case RTE_ETH_LINK_SPEED_100M_HD: 125 return RTE_ETH_SPEED_NUM_100M; 126 case RTE_ETH_LINK_SPEED_100M: 127 return RTE_ETH_SPEED_NUM_100M; 128 case RTE_ETH_LINK_SPEED_1G: 129 return RTE_ETH_SPEED_NUM_1G; 130 case RTE_ETH_LINK_SPEED_2_5G: 131 return RTE_ETH_SPEED_NUM_2_5G; 132 case RTE_ETH_LINK_SPEED_5G: 133 return RTE_ETH_SPEED_NUM_5G; 134 case RTE_ETH_LINK_SPEED_10G: 135 return RTE_ETH_SPEED_NUM_10G; 136 case RTE_ETH_LINK_SPEED_20G: 137 return RTE_ETH_SPEED_NUM_20G; 138 case RTE_ETH_LINK_SPEED_25G: 139 return RTE_ETH_SPEED_NUM_25G; 140 case RTE_ETH_LINK_SPEED_40G: 141 return RTE_ETH_SPEED_NUM_40G; 142 case RTE_ETH_LINK_SPEED_50G: 143 return RTE_ETH_SPEED_NUM_50G; 144 case RTE_ETH_LINK_SPEED_56G: 145 return RTE_ETH_SPEED_NUM_56G; 146 case RTE_ETH_LINK_SPEED_100G: 147 return RTE_ETH_SPEED_NUM_100G; 148 case RTE_ETH_LINK_SPEED_200G: 149 return RTE_ETH_SPEED_NUM_200G; 150 case RTE_ETH_LINK_SPEED_400G: 151 return RTE_ETH_SPEED_NUM_400G; 152 default: 153 return RTE_ETH_SPEED_NUM_NONE; 154 } 155 } 156 157 static int 158 nfp_net_nfp4000_speed_configure_check(uint16_t port_id, 159 uint32_t configure_speed, 160 struct nfp_eth_table *nfp_eth_table) 161 { 162 switch (port_id) { 163 case 0: 164 if (configure_speed == RTE_ETH_SPEED_NUM_25G && 165 nfp_eth_table->ports[1].speed == RTE_ETH_SPEED_NUM_10G) { 166 PMD_DRV_LOG(ERR, "The speed configuration is not supported for NFP4000."); 167 return -ENOTSUP; 168 } 169 break; 170 case 1: 171 if (configure_speed == RTE_ETH_SPEED_NUM_10G && 172 nfp_eth_table->ports[0].speed == RTE_ETH_SPEED_NUM_25G) { 173 PMD_DRV_LOG(ERR, "The speed configuration is not supported for NFP4000."); 174 return -ENOTSUP; 175 } 176 break; 177 default: 178 PMD_DRV_LOG(ERR, "The port id is invalid."); 179 return -EINVAL; 180 } 181 182 return 0; 183 } 184 185 static int 186 nfp_net_speed_configure(struct rte_eth_dev *dev, 187 struct nfp_net_hw *net_hw) 188 { 189 int ret; 190 uint32_t speed_capa; 191 struct nfp_nsp *nsp; 192 uint32_t link_speeds; 193 uint32_t configure_speed; 194 struct nfp_eth_table_port *eth_port; 195 struct nfp_eth_table *nfp_eth_table; 196 197 nfp_eth_table = net_hw->pf_dev->nfp_eth_table; 198 eth_port = &nfp_eth_table->ports[net_hw->idx]; 199 200 speed_capa = net_hw->pf_dev->speed_capa; 201 if (speed_capa == 0) { 202 PMD_DRV_LOG(ERR, "Speed_capa is invalid."); 203 return -EINVAL; 204 } 205 206 link_speeds = dev->data->dev_conf.link_speeds; 207 configure_speed = nfp_net_speed_bitmap2speed(speed_capa & link_speeds); 208 if (configure_speed == RTE_ETH_SPEED_NUM_NONE && 209 link_speeds != RTE_ETH_LINK_SPEED_AUTONEG) { 210 PMD_DRV_LOG(ERR, "Configured speed is invalid."); 211 return -EINVAL; 212 } 213 214 /* NFP4000 does not allow the port 0 25Gbps and port 1 10Gbps at the same time. */ 215 if (net_hw->device_id == PCI_DEVICE_ID_NFP4000_PF_NIC) { 216 ret = nfp_net_nfp4000_speed_configure_check(net_hw->idx, 217 configure_speed, nfp_eth_table); 218 if (ret != 0) { 219 PMD_DRV_LOG(ERR, "Failed to configure speed for NFP4000."); 220 return ret; 221 } 222 } 223 224 nsp = nfp_eth_config_start(net_hw->cpp, eth_port->index); 225 if (nsp == NULL) { 226 PMD_DRV_LOG(ERR, "Couldn't get NSP."); 227 return -EIO; 228 } 229 230 if (link_speeds == RTE_ETH_LINK_SPEED_AUTONEG) { 231 if (eth_port->supp_aneg) { 232 ret = nfp_eth_set_aneg(nsp, NFP_ANEG_AUTO); 233 if (ret != 0) { 234 PMD_DRV_LOG(ERR, "Failed to set ANEG enable."); 235 goto config_cleanup; 236 } 237 } 238 } else { 239 ret = nfp_eth_set_aneg(nsp, NFP_ANEG_DISABLED); 240 if (ret != 0) { 241 PMD_DRV_LOG(ERR, "Failed to set ANEG disable."); 242 goto config_cleanup; 243 } 244 245 ret = nfp_eth_set_speed(nsp, configure_speed); 246 if (ret != 0) { 247 PMD_DRV_LOG(ERR, "Failed to set speed."); 248 goto config_cleanup; 249 } 250 } 251 252 return nfp_eth_config_commit_end(nsp); 253 254 config_cleanup: 255 nfp_eth_config_cleanup_end(nsp); 256 257 return ret; 258 } 259 260 static int 261 nfp_net_start(struct rte_eth_dev *dev) 262 { 263 int ret; 264 uint16_t i; 265 struct nfp_hw *hw; 266 uint32_t new_ctrl; 267 struct nfp_cpp *cpp; 268 uint32_t update = 0; 269 uint32_t cap_extend; 270 uint32_t intr_vector; 271 uint32_t ctrl_extend = 0; 272 struct nfp_net_hw *net_hw; 273 struct nfp_pf_dev *pf_dev; 274 struct rte_eth_rxmode *rxmode; 275 struct nfp_app_fw_nic *app_fw_nic; 276 struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev); 277 struct rte_intr_handle *intr_handle = pci_dev->intr_handle; 278 279 net_hw = dev->data->dev_private; 280 pf_dev = net_hw->pf_dev; 281 app_fw_nic = NFP_PRIV_TO_APP_FW_NIC(pf_dev->app_fw_priv); 282 hw = &net_hw->super; 283 284 /* Disabling queues just in case... */ 285 nfp_net_disable_queues(dev); 286 287 /* Enabling the required queues in the device */ 288 nfp_net_enable_queues(dev); 289 290 /* Configure the port speed and the auto-negotiation mode. */ 291 ret = nfp_net_speed_configure(dev, net_hw); 292 if (ret < 0) { 293 PMD_DRV_LOG(ERR, "Failed to set the speed and auto-negotiation mode."); 294 return ret; 295 } 296 297 /* Check and configure queue intr-vector mapping */ 298 if (dev->data->dev_conf.intr_conf.rxq != 0) { 299 if (app_fw_nic->multiport) { 300 PMD_INIT_LOG(ERR, "PMD rx interrupt is not supported " 301 "with NFP multiport PF"); 302 return -EINVAL; 303 } 304 305 if (rte_intr_type_get(intr_handle) == RTE_INTR_HANDLE_UIO) { 306 /* 307 * Better not to share LSC with RX interrupts. 308 * Unregistering LSC interrupt handler. 309 */ 310 rte_intr_callback_unregister(intr_handle, 311 nfp_net_dev_interrupt_handler, (void *)dev); 312 313 if (dev->data->nb_rx_queues > 1) { 314 PMD_INIT_LOG(ERR, "PMD rx interrupt only " 315 "supports 1 queue with UIO"); 316 return -EIO; 317 } 318 } 319 320 intr_vector = dev->data->nb_rx_queues; 321 if (rte_intr_efd_enable(intr_handle, intr_vector) != 0) 322 return -1; 323 324 nfp_configure_rx_interrupt(dev, intr_handle); 325 update = NFP_NET_CFG_UPDATE_MSIX; 326 } 327 328 /* Checking MTU set */ 329 if (dev->data->mtu > net_hw->flbufsz) { 330 PMD_INIT_LOG(ERR, "MTU (%u) can't be larger than the current NFP_FRAME_SIZE (%u)", 331 dev->data->mtu, net_hw->flbufsz); 332 return -ERANGE; 333 } 334 335 rte_intr_enable(intr_handle); 336 337 new_ctrl = nfp_check_offloads(dev); 338 339 /* Writing configuration parameters in the device */ 340 nfp_net_params_setup(net_hw); 341 342 rxmode = &dev->data->dev_conf.rxmode; 343 if ((rxmode->mq_mode & RTE_ETH_MQ_RX_RSS) != 0) { 344 nfp_net_rss_config_default(dev); 345 update |= NFP_NET_CFG_UPDATE_RSS; 346 new_ctrl |= nfp_net_cfg_ctrl_rss(hw->cap); 347 } 348 349 /* Enable device */ 350 new_ctrl |= NFP_NET_CFG_CTRL_ENABLE; 351 352 update |= NFP_NET_CFG_UPDATE_GEN | NFP_NET_CFG_UPDATE_RING; 353 354 /* Enable vxlan */ 355 if ((hw->cap & NFP_NET_CFG_CTRL_VXLAN) != 0) { 356 new_ctrl |= NFP_NET_CFG_CTRL_VXLAN; 357 update |= NFP_NET_CFG_UPDATE_VXLAN; 358 } 359 360 if ((hw->cap & NFP_NET_CFG_CTRL_RINGCFG) != 0) 361 new_ctrl |= NFP_NET_CFG_CTRL_RINGCFG; 362 363 if (nfp_reconfig(hw, new_ctrl, update) != 0) 364 return -EIO; 365 366 hw->ctrl = new_ctrl; 367 368 /* Enable packet type offload by extend ctrl word1. */ 369 cap_extend = hw->cap_ext; 370 if ((cap_extend & NFP_NET_CFG_CTRL_PKT_TYPE) != 0) 371 ctrl_extend = NFP_NET_CFG_CTRL_PKT_TYPE; 372 373 if ((cap_extend & NFP_NET_CFG_CTRL_IPSEC) != 0) 374 ctrl_extend |= NFP_NET_CFG_CTRL_IPSEC | 375 NFP_NET_CFG_CTRL_IPSEC_SM_LOOKUP | 376 NFP_NET_CFG_CTRL_IPSEC_LM_LOOKUP; 377 378 /* Enable flow steer by extend ctrl word1. */ 379 if ((cap_extend & NFP_NET_CFG_CTRL_FLOW_STEER) != 0) 380 ctrl_extend |= NFP_NET_CFG_CTRL_FLOW_STEER; 381 382 update = NFP_NET_CFG_UPDATE_GEN; 383 if (nfp_ext_reconfig(hw, ctrl_extend, update) != 0) 384 return -EIO; 385 386 hw->ctrl_ext = ctrl_extend; 387 388 /* 389 * Allocating rte mbufs for configured rx queues. 390 * This requires queues being enabled before. 391 */ 392 if (nfp_net_rx_freelist_setup(dev) != 0) { 393 ret = -ENOMEM; 394 goto error; 395 } 396 397 if (rte_eal_process_type() == RTE_PROC_PRIMARY) 398 cpp = net_hw->cpp; 399 else 400 cpp = ((struct nfp_pf_dev *)(dev->process_private))->cpp; 401 402 /* Configure the physical port up */ 403 nfp_eth_set_configured(cpp, net_hw->nfp_idx, 1); 404 405 for (i = 0; i < dev->data->nb_rx_queues; i++) 406 dev->data->rx_queue_state[i] = RTE_ETH_QUEUE_STATE_STARTED; 407 for (i = 0; i < dev->data->nb_tx_queues; i++) 408 dev->data->tx_queue_state[i] = RTE_ETH_QUEUE_STATE_STARTED; 409 410 return 0; 411 412 error: 413 /* 414 * An error returned by this function should mean the app 415 * exiting and then the system releasing all the memory 416 * allocated even memory coming from hugepages. 417 * 418 * The device could be enabled at this point with some queues 419 * ready for getting packets. This is true if the call to 420 * nfp_net_rx_freelist_setup() succeeds for some queues but 421 * fails for subsequent queues. 422 * 423 * This should make the app exiting but better if we tell the 424 * device first. 425 */ 426 nfp_net_disable_queues(dev); 427 428 return ret; 429 } 430 431 /* Set the link up. */ 432 static int 433 nfp_net_set_link_up(struct rte_eth_dev *dev) 434 { 435 struct nfp_cpp *cpp; 436 struct nfp_net_hw *hw; 437 438 hw = dev->data->dev_private; 439 440 if (rte_eal_process_type() == RTE_PROC_PRIMARY) 441 cpp = hw->cpp; 442 else 443 cpp = ((struct nfp_pf_dev *)(dev->process_private))->cpp; 444 445 return nfp_eth_set_configured(cpp, hw->nfp_idx, 1); 446 } 447 448 /* Set the link down. */ 449 static int 450 nfp_net_set_link_down(struct rte_eth_dev *dev) 451 { 452 struct nfp_cpp *cpp; 453 struct nfp_net_hw *hw; 454 455 hw = dev->data->dev_private; 456 457 if (rte_eal_process_type() == RTE_PROC_PRIMARY) 458 cpp = hw->cpp; 459 else 460 cpp = ((struct nfp_pf_dev *)(dev->process_private))->cpp; 461 462 return nfp_eth_set_configured(cpp, hw->nfp_idx, 0); 463 } 464 465 static uint8_t 466 nfp_function_id_get(const struct nfp_pf_dev *pf_dev, 467 uint8_t phy_port) 468 { 469 if (pf_dev->multi_pf.enabled) 470 return pf_dev->multi_pf.function_id; 471 472 return phy_port; 473 } 474 475 static void 476 nfp_net_beat_timer(void *arg) 477 { 478 uint64_t cur_sec; 479 struct nfp_multi_pf *multi_pf = arg; 480 481 cur_sec = rte_rdtsc(); 482 nn_writeq(cur_sec, multi_pf->beat_addr + NFP_BEAT_OFFSET(multi_pf->function_id)); 483 484 /* Beat once per second. */ 485 if (rte_eal_alarm_set(1000 * 1000, nfp_net_beat_timer, 486 (void *)multi_pf) < 0) { 487 PMD_DRV_LOG(ERR, "Error setting alarm"); 488 } 489 } 490 491 static int 492 nfp_net_keepalive_init(struct nfp_cpp *cpp, 493 struct nfp_multi_pf *multi_pf) 494 { 495 uint8_t *base; 496 uint64_t addr; 497 uint32_t size; 498 uint32_t cpp_id; 499 struct nfp_resource *res; 500 501 res = nfp_resource_acquire(cpp, NFP_RESOURCE_KEEPALIVE); 502 if (res == NULL) 503 return -EIO; 504 505 cpp_id = nfp_resource_cpp_id(res); 506 addr = nfp_resource_address(res); 507 size = nfp_resource_size(res); 508 509 nfp_resource_release(res); 510 511 /* Allocate a fixed area for keepalive. */ 512 base = nfp_cpp_map_area(cpp, cpp_id, addr, size, &multi_pf->beat_area); 513 if (base == NULL) { 514 PMD_DRV_LOG(ERR, "Failed to map area for keepalive."); 515 return -EIO; 516 } 517 518 multi_pf->beat_addr = base; 519 520 return 0; 521 } 522 523 static void 524 nfp_net_keepalive_uninit(struct nfp_multi_pf *multi_pf) 525 { 526 nfp_cpp_area_release_free(multi_pf->beat_area); 527 } 528 529 static int 530 nfp_net_keepalive_start(struct nfp_multi_pf *multi_pf) 531 { 532 if (rte_eal_alarm_set(1000 * 1000, nfp_net_beat_timer, 533 (void *)multi_pf) < 0) { 534 PMD_DRV_LOG(ERR, "Error setting alarm"); 535 return -EIO; 536 } 537 538 return 0; 539 } 540 541 static void 542 nfp_net_keepalive_clear(uint8_t *beat_addr, 543 uint8_t function_id) 544 { 545 nn_writeq(0, beat_addr + NFP_BEAT_OFFSET(function_id)); 546 } 547 548 static void 549 nfp_net_keepalive_clear_others(const struct nfp_dev_info *dev_info, 550 struct nfp_multi_pf *multi_pf) 551 { 552 uint8_t port_num; 553 554 for (port_num = 0; port_num < dev_info->pf_num_per_unit; port_num++) { 555 if (port_num == multi_pf->function_id) 556 continue; 557 558 nfp_net_keepalive_clear(multi_pf->beat_addr, port_num); 559 } 560 } 561 562 static void 563 nfp_net_keepalive_stop(struct nfp_multi_pf *multi_pf) 564 { 565 /* Cancel keepalive for multiple PF setup */ 566 rte_eal_alarm_cancel(nfp_net_beat_timer, (void *)multi_pf); 567 } 568 569 static void 570 nfp_net_uninit(struct rte_eth_dev *eth_dev) 571 { 572 struct nfp_net_hw *net_hw; 573 574 net_hw = eth_dev->data->dev_private; 575 576 if ((net_hw->super.cap_ext & NFP_NET_CFG_CTRL_FLOW_STEER) != 0) 577 nfp_net_flow_priv_uninit(net_hw->pf_dev, net_hw->idx); 578 579 rte_free(net_hw->eth_xstats_base); 580 nfp_ipsec_uninit(eth_dev); 581 if (net_hw->mac_stats_area != NULL) 582 nfp_cpp_area_release_free(net_hw->mac_stats_area); 583 } 584 585 static void 586 nfp_cleanup_port_app_fw_nic(struct nfp_pf_dev *pf_dev, 587 uint8_t id) 588 { 589 struct rte_eth_dev *eth_dev; 590 struct nfp_app_fw_nic *app_fw_nic; 591 592 app_fw_nic = pf_dev->app_fw_priv; 593 if (app_fw_nic->ports[id] != NULL) { 594 eth_dev = app_fw_nic->ports[id]->eth_dev; 595 if (eth_dev != NULL) 596 nfp_net_uninit(eth_dev); 597 598 app_fw_nic->ports[id] = NULL; 599 } 600 } 601 602 static void 603 nfp_uninit_app_fw_nic(struct nfp_pf_dev *pf_dev) 604 { 605 nfp_cpp_area_release_free(pf_dev->ctrl_area); 606 rte_free(pf_dev->app_fw_priv); 607 } 608 609 void 610 nfp_pf_uninit(struct nfp_pf_dev *pf_dev) 611 { 612 nfp_cpp_area_release_free(pf_dev->qc_area); 613 free(pf_dev->sym_tbl); 614 if (pf_dev->multi_pf.enabled) { 615 nfp_net_keepalive_stop(&pf_dev->multi_pf); 616 nfp_net_keepalive_clear(pf_dev->multi_pf.beat_addr, pf_dev->multi_pf.function_id); 617 nfp_net_keepalive_uninit(&pf_dev->multi_pf); 618 } 619 free(pf_dev->nfp_eth_table); 620 free(pf_dev->hwinfo); 621 nfp_cpp_free(pf_dev->cpp); 622 nfp_sync_free(pf_dev->sync); 623 rte_free(pf_dev); 624 } 625 626 static int 627 nfp_pf_secondary_uninit(struct nfp_pf_dev *pf_dev) 628 { 629 free(pf_dev->sym_tbl); 630 nfp_cpp_free(pf_dev->cpp); 631 nfp_sync_free(pf_dev->sync); 632 rte_free(pf_dev); 633 634 return 0; 635 } 636 637 /* Reset and stop device. The device can not be restarted. */ 638 static int 639 nfp_net_close(struct rte_eth_dev *dev) 640 { 641 uint8_t i; 642 uint8_t id; 643 struct nfp_net_hw *hw; 644 struct nfp_pf_dev *pf_dev; 645 struct rte_pci_device *pci_dev; 646 struct nfp_app_fw_nic *app_fw_nic; 647 648 /* 649 * In secondary process, a released eth device can be found by its name 650 * in shared memory. 651 * If the state of the eth device is RTE_ETH_DEV_UNUSED, it means the 652 * eth device has been released. 653 */ 654 if (rte_eal_process_type() == RTE_PROC_SECONDARY) { 655 if (dev->state == RTE_ETH_DEV_UNUSED) 656 return 0; 657 658 nfp_pf_secondary_uninit(dev->process_private); 659 return 0; 660 } 661 662 hw = dev->data->dev_private; 663 pf_dev = hw->pf_dev; 664 pci_dev = RTE_ETH_DEV_TO_PCI(dev); 665 app_fw_nic = NFP_PRIV_TO_APP_FW_NIC(pf_dev->app_fw_priv); 666 667 /* 668 * We assume that the DPDK application is stopping all the 669 * threads/queues before calling the device close function. 670 */ 671 nfp_net_disable_queues(dev); 672 673 /* Clear queues */ 674 nfp_net_close_tx_queue(dev); 675 nfp_net_close_rx_queue(dev); 676 677 /* Cancel possible impending LSC work here before releasing the port */ 678 rte_eal_alarm_cancel(nfp_net_dev_interrupt_delayed_handler, (void *)dev); 679 680 /* Only free PF resources after all physical ports have been closed */ 681 /* Mark this port as unused and free device priv resources */ 682 nn_cfg_writeb(&hw->super, NFP_NET_CFG_LSC, 0xff); 683 684 if (pf_dev->app_fw_id != NFP_APP_FW_CORE_NIC) 685 return -EINVAL; 686 687 nfp_cleanup_port_app_fw_nic(pf_dev, hw->idx); 688 689 for (i = 0; i < app_fw_nic->total_phyports; i++) { 690 id = nfp_function_id_get(pf_dev, i); 691 692 /* Check to see if ports are still in use */ 693 if (app_fw_nic->ports[id] != NULL) 694 return 0; 695 } 696 697 /* Enable in nfp_net_start() */ 698 rte_intr_disable(pci_dev->intr_handle); 699 700 /* Register in nfp_net_init() */ 701 rte_intr_callback_unregister(pci_dev->intr_handle, 702 nfp_net_dev_interrupt_handler, (void *)dev); 703 704 nfp_uninit_app_fw_nic(pf_dev); 705 nfp_pf_uninit(pf_dev); 706 707 return 0; 708 } 709 710 static int 711 nfp_net_find_vxlan_idx(struct nfp_net_hw *hw, 712 uint16_t port, 713 uint32_t *idx) 714 { 715 uint32_t i; 716 int free_idx = -1; 717 718 for (i = 0; i < NFP_NET_N_VXLAN_PORTS; i++) { 719 if (hw->vxlan_ports[i] == port) { 720 free_idx = i; 721 break; 722 } 723 724 if (hw->vxlan_usecnt[i] == 0) { 725 free_idx = i; 726 break; 727 } 728 } 729 730 if (free_idx == -1) 731 return -EINVAL; 732 733 *idx = free_idx; 734 735 return 0; 736 } 737 738 static int 739 nfp_udp_tunnel_port_add(struct rte_eth_dev *dev, 740 struct rte_eth_udp_tunnel *tunnel_udp) 741 { 742 int ret; 743 uint32_t idx; 744 uint16_t vxlan_port; 745 struct nfp_net_hw *hw; 746 enum rte_eth_tunnel_type tnl_type; 747 748 hw = dev->data->dev_private; 749 vxlan_port = tunnel_udp->udp_port; 750 tnl_type = tunnel_udp->prot_type; 751 752 if (tnl_type != RTE_ETH_TUNNEL_TYPE_VXLAN) { 753 PMD_DRV_LOG(ERR, "Not VXLAN tunnel"); 754 return -ENOTSUP; 755 } 756 757 ret = nfp_net_find_vxlan_idx(hw, vxlan_port, &idx); 758 if (ret != 0) { 759 PMD_DRV_LOG(ERR, "Failed find valid vxlan idx"); 760 return -EINVAL; 761 } 762 763 if (hw->vxlan_usecnt[idx] == 0) { 764 ret = nfp_net_set_vxlan_port(hw, idx, vxlan_port); 765 if (ret != 0) { 766 PMD_DRV_LOG(ERR, "Failed set vxlan port"); 767 return -EINVAL; 768 } 769 } 770 771 hw->vxlan_usecnt[idx]++; 772 773 return 0; 774 } 775 776 static int 777 nfp_udp_tunnel_port_del(struct rte_eth_dev *dev, 778 struct rte_eth_udp_tunnel *tunnel_udp) 779 { 780 int ret; 781 uint32_t idx; 782 uint16_t vxlan_port; 783 struct nfp_net_hw *hw; 784 enum rte_eth_tunnel_type tnl_type; 785 786 hw = dev->data->dev_private; 787 vxlan_port = tunnel_udp->udp_port; 788 tnl_type = tunnel_udp->prot_type; 789 790 if (tnl_type != RTE_ETH_TUNNEL_TYPE_VXLAN) { 791 PMD_DRV_LOG(ERR, "Not VXLAN tunnel"); 792 return -ENOTSUP; 793 } 794 795 ret = nfp_net_find_vxlan_idx(hw, vxlan_port, &idx); 796 if (ret != 0 || hw->vxlan_usecnt[idx] == 0) { 797 PMD_DRV_LOG(ERR, "Failed find valid vxlan idx"); 798 return -EINVAL; 799 } 800 801 hw->vxlan_usecnt[idx]--; 802 803 if (hw->vxlan_usecnt[idx] == 0) { 804 ret = nfp_net_set_vxlan_port(hw, idx, 0); 805 if (ret != 0) { 806 PMD_DRV_LOG(ERR, "Failed set vxlan port"); 807 return -EINVAL; 808 } 809 } 810 811 return 0; 812 } 813 814 /* Initialise and register driver with DPDK Application */ 815 static const struct eth_dev_ops nfp_net_eth_dev_ops = { 816 .dev_configure = nfp_net_configure, 817 .dev_start = nfp_net_start, 818 .dev_stop = nfp_net_stop, 819 .dev_set_link_up = nfp_net_set_link_up, 820 .dev_set_link_down = nfp_net_set_link_down, 821 .dev_close = nfp_net_close, 822 .promiscuous_enable = nfp_net_promisc_enable, 823 .promiscuous_disable = nfp_net_promisc_disable, 824 .allmulticast_enable = nfp_net_allmulticast_enable, 825 .allmulticast_disable = nfp_net_allmulticast_disable, 826 .link_update = nfp_net_link_update, 827 .stats_get = nfp_net_stats_get, 828 .stats_reset = nfp_net_stats_reset, 829 .xstats_get = nfp_net_xstats_get, 830 .xstats_reset = nfp_net_xstats_reset, 831 .xstats_get_names = nfp_net_xstats_get_names, 832 .xstats_get_by_id = nfp_net_xstats_get_by_id, 833 .xstats_get_names_by_id = nfp_net_xstats_get_names_by_id, 834 .dev_infos_get = nfp_net_infos_get, 835 .dev_supported_ptypes_get = nfp_net_supported_ptypes_get, 836 .mtu_set = nfp_net_dev_mtu_set, 837 .mac_addr_set = nfp_net_set_mac_addr, 838 .vlan_offload_set = nfp_net_vlan_offload_set, 839 .reta_update = nfp_net_reta_update, 840 .reta_query = nfp_net_reta_query, 841 .rss_hash_update = nfp_net_rss_hash_update, 842 .rss_hash_conf_get = nfp_net_rss_hash_conf_get, 843 .rx_queue_setup = nfp_net_rx_queue_setup, 844 .rx_queue_release = nfp_net_rx_queue_release, 845 .tx_queue_setup = nfp_net_tx_queue_setup, 846 .tx_queue_release = nfp_net_tx_queue_release, 847 .rx_queue_intr_enable = nfp_rx_queue_intr_enable, 848 .rx_queue_intr_disable = nfp_rx_queue_intr_disable, 849 .udp_tunnel_port_add = nfp_udp_tunnel_port_add, 850 .udp_tunnel_port_del = nfp_udp_tunnel_port_del, 851 .fw_version_get = nfp_net_firmware_version_get, 852 .flow_ctrl_get = nfp_net_flow_ctrl_get, 853 .flow_ctrl_set = nfp_net_flow_ctrl_set, 854 .flow_ops_get = nfp_net_flow_ops_get, 855 .fec_get_capability = nfp_net_fec_get_capability, 856 .fec_get = nfp_net_fec_get, 857 .fec_set = nfp_net_fec_set, 858 }; 859 860 static inline void 861 nfp_net_ethdev_ops_mount(struct nfp_net_hw *hw, 862 struct rte_eth_dev *eth_dev) 863 { 864 if (hw->ver.extend == NFP_NET_CFG_VERSION_DP_NFD3) 865 eth_dev->tx_pkt_burst = nfp_net_nfd3_xmit_pkts; 866 else 867 eth_dev->tx_pkt_burst = nfp_net_nfdk_xmit_pkts; 868 869 eth_dev->dev_ops = &nfp_net_eth_dev_ops; 870 eth_dev->rx_queue_count = nfp_net_rx_queue_count; 871 eth_dev->rx_pkt_burst = &nfp_net_recv_pkts; 872 } 873 874 static int 875 nfp_net_init(struct rte_eth_dev *eth_dev) 876 { 877 int err; 878 uint16_t port; 879 uint64_t rx_base; 880 uint64_t tx_base; 881 struct nfp_hw *hw; 882 struct nfp_net_hw *net_hw; 883 struct nfp_pf_dev *pf_dev; 884 struct rte_pci_device *pci_dev; 885 struct nfp_app_fw_nic *app_fw_nic; 886 887 pci_dev = RTE_ETH_DEV_TO_PCI(eth_dev); 888 net_hw = eth_dev->data->dev_private; 889 890 /* Use backpointer here to the PF of this eth_dev */ 891 pf_dev = net_hw->pf_dev; 892 893 /* Use backpointer to the CoreNIC app struct */ 894 app_fw_nic = NFP_PRIV_TO_APP_FW_NIC(pf_dev->app_fw_priv); 895 896 port = ((struct nfp_net_hw *)eth_dev->data->dev_private)->idx; 897 if (port > 7) { 898 PMD_DRV_LOG(ERR, "Port value is wrong"); 899 return -ENODEV; 900 } 901 902 hw = &net_hw->super; 903 904 PMD_INIT_LOG(DEBUG, "Working with physical port number: %hu, " 905 "NFP internal port number: %d", port, net_hw->nfp_idx); 906 907 rte_eth_copy_pci_info(eth_dev, pci_dev); 908 909 if (port == 0 || pf_dev->multi_pf.enabled) { 910 uint32_t min_size; 911 912 hw->ctrl_bar = pf_dev->ctrl_bar; 913 min_size = NFP_MAC_STATS_SIZE * net_hw->pf_dev->nfp_eth_table->max_index; 914 net_hw->mac_stats_bar = nfp_rtsym_map(net_hw->pf_dev->sym_tbl, "_mac_stats", 915 min_size, &net_hw->mac_stats_area); 916 if (net_hw->mac_stats_bar == NULL) { 917 PMD_INIT_LOG(ERR, "nfp_rtsym_map fails for _mac_stats_bar"); 918 return -EIO; 919 } 920 921 net_hw->mac_stats = net_hw->mac_stats_bar; 922 } else { 923 /* Use port offset in pf ctrl_bar for this ports control bar */ 924 hw->ctrl_bar = pf_dev->ctrl_bar + (port * NFP_NET_CFG_BAR_SZ); 925 net_hw->mac_stats = app_fw_nic->ports[0]->mac_stats_bar + 926 (net_hw->nfp_idx * NFP_MAC_STATS_SIZE); 927 } 928 929 PMD_INIT_LOG(DEBUG, "ctrl bar: %p", hw->ctrl_bar); 930 PMD_INIT_LOG(DEBUG, "MAC stats: %p", net_hw->mac_stats); 931 932 err = nfp_net_common_init(pci_dev, net_hw); 933 if (err != 0) 934 goto free_area; 935 936 err = nfp_net_tlv_caps_parse(eth_dev); 937 if (err != 0) { 938 PMD_INIT_LOG(ERR, "Failed to parser TLV caps"); 939 return err; 940 goto free_area; 941 } 942 943 err = nfp_ipsec_init(eth_dev); 944 if (err != 0) { 945 PMD_INIT_LOG(ERR, "Failed to init IPsec module"); 946 goto free_area; 947 } 948 949 nfp_net_ethdev_ops_mount(net_hw, eth_dev); 950 951 net_hw->eth_xstats_base = rte_malloc("rte_eth_xstat", sizeof(struct rte_eth_xstat) * 952 nfp_net_xstats_size(eth_dev), 0); 953 if (net_hw->eth_xstats_base == NULL) { 954 PMD_INIT_LOG(ERR, "no memory for xstats base values on device %s!", 955 pci_dev->device.name); 956 err = -ENOMEM; 957 goto ipsec_exit; 958 } 959 960 /* Work out where in the BAR the queues start. */ 961 tx_base = nn_cfg_readl(hw, NFP_NET_CFG_START_TXQ); 962 rx_base = nn_cfg_readl(hw, NFP_NET_CFG_START_RXQ); 963 964 net_hw->tx_bar = pf_dev->qc_bar + tx_base * NFP_QCP_QUEUE_ADDR_SZ; 965 net_hw->rx_bar = pf_dev->qc_bar + rx_base * NFP_QCP_QUEUE_ADDR_SZ; 966 eth_dev->data->dev_private = net_hw; 967 968 PMD_INIT_LOG(DEBUG, "ctrl_bar: %p, tx_bar: %p, rx_bar: %p", 969 hw->ctrl_bar, net_hw->tx_bar, net_hw->rx_bar); 970 971 nfp_net_cfg_queue_setup(net_hw); 972 net_hw->mtu = RTE_ETHER_MTU; 973 974 /* VLAN insertion is incompatible with LSOv2 */ 975 if ((hw->cap & NFP_NET_CFG_CTRL_LSO2) != 0) 976 hw->cap &= ~NFP_NET_CFG_CTRL_TXVLAN; 977 978 nfp_net_log_device_information(net_hw); 979 980 /* Initializing spinlock for reconfigs */ 981 rte_spinlock_init(&hw->reconfig_lock); 982 983 /* Allocating memory for mac addr */ 984 eth_dev->data->mac_addrs = rte_zmalloc("mac_addr", RTE_ETHER_ADDR_LEN, 0); 985 if (eth_dev->data->mac_addrs == NULL) { 986 PMD_INIT_LOG(ERR, "Failed to space for MAC address"); 987 err = -ENOMEM; 988 goto xstats_free; 989 } 990 991 nfp_net_pf_read_mac(app_fw_nic, port); 992 nfp_write_mac(hw, &hw->mac_addr.addr_bytes[0]); 993 994 if (rte_is_valid_assigned_ether_addr(&hw->mac_addr) == 0) { 995 PMD_INIT_LOG(INFO, "Using random mac address for port %d", port); 996 /* Using random mac addresses for VFs */ 997 rte_eth_random_addr(&hw->mac_addr.addr_bytes[0]); 998 nfp_write_mac(hw, &hw->mac_addr.addr_bytes[0]); 999 } 1000 1001 /* Copying mac address to DPDK eth_dev struct */ 1002 rte_ether_addr_copy(&hw->mac_addr, eth_dev->data->mac_addrs); 1003 1004 if ((hw->cap & NFP_NET_CFG_CTRL_LIVE_ADDR) == 0) 1005 eth_dev->data->dev_flags |= RTE_ETH_DEV_NOLIVE_MAC_ADDR; 1006 1007 eth_dev->data->dev_flags |= RTE_ETH_DEV_AUTOFILL_QUEUE_XSTATS; 1008 1009 PMD_INIT_LOG(INFO, "port %d VendorID=%#x DeviceID=%#x " 1010 "mac=" RTE_ETHER_ADDR_PRT_FMT, 1011 eth_dev->data->port_id, pci_dev->id.vendor_id, 1012 pci_dev->id.device_id, 1013 RTE_ETHER_ADDR_BYTES(&hw->mac_addr)); 1014 1015 /* Registering LSC interrupt handler */ 1016 rte_intr_callback_register(pci_dev->intr_handle, 1017 nfp_net_dev_interrupt_handler, (void *)eth_dev); 1018 /* Telling the firmware about the LSC interrupt entry */ 1019 nn_cfg_writeb(hw, NFP_NET_CFG_LSC, NFP_NET_IRQ_LSC_IDX); 1020 /* Unmask the LSC interrupt */ 1021 nfp_net_irq_unmask(eth_dev); 1022 /* Recording current stats counters values */ 1023 nfp_net_stats_reset(eth_dev); 1024 1025 if ((hw->cap_ext & NFP_NET_CFG_CTRL_FLOW_STEER) != 0) { 1026 err = nfp_net_flow_priv_init(pf_dev, port); 1027 if (err != 0) { 1028 PMD_INIT_LOG(ERR, "Init net flow priv failed"); 1029 goto xstats_free; 1030 } 1031 } 1032 1033 return 0; 1034 1035 xstats_free: 1036 rte_free(net_hw->eth_xstats_base); 1037 ipsec_exit: 1038 nfp_ipsec_uninit(eth_dev); 1039 free_area: 1040 if (net_hw->mac_stats_area != NULL) 1041 nfp_cpp_area_release_free(net_hw->mac_stats_area); 1042 1043 return err; 1044 } 1045 1046 #define DEFAULT_FW_PATH "/lib/firmware/netronome" 1047 1048 static int 1049 nfp_fw_get_name(struct rte_pci_device *dev, 1050 struct nfp_nsp *nsp, 1051 char *card, 1052 char *fw_name, 1053 size_t fw_size) 1054 { 1055 char serial[40]; 1056 uint16_t interface; 1057 uint32_t cpp_serial_len; 1058 const uint8_t *cpp_serial; 1059 struct nfp_cpp *cpp = nfp_nsp_cpp(nsp); 1060 1061 cpp_serial_len = nfp_cpp_serial(cpp, &cpp_serial); 1062 if (cpp_serial_len != NFP_SERIAL_LEN) 1063 return -ERANGE; 1064 1065 interface = nfp_cpp_interface(cpp); 1066 1067 /* Looking for firmware file in order of priority */ 1068 1069 /* First try to find a firmware image specific for this device */ 1070 snprintf(serial, sizeof(serial), 1071 "serial-%02x-%02x-%02x-%02x-%02x-%02x-%02x-%02x", 1072 cpp_serial[0], cpp_serial[1], cpp_serial[2], cpp_serial[3], 1073 cpp_serial[4], cpp_serial[5], interface >> 8, interface & 0xff); 1074 snprintf(fw_name, fw_size, "%s/%s.nffw", DEFAULT_FW_PATH, serial); 1075 1076 PMD_DRV_LOG(DEBUG, "Trying with fw file: %s", fw_name); 1077 if (access(fw_name, F_OK) == 0) 1078 return 0; 1079 1080 /* Then try the PCI name */ 1081 snprintf(fw_name, fw_size, "%s/pci-%s.nffw", DEFAULT_FW_PATH, 1082 dev->name); 1083 1084 PMD_DRV_LOG(DEBUG, "Trying with fw file: %s", fw_name); 1085 if (access(fw_name, F_OK) == 0) 1086 return 0; 1087 1088 /* Finally try the card type and media */ 1089 snprintf(fw_name, fw_size, "%s/%s", DEFAULT_FW_PATH, card); 1090 PMD_DRV_LOG(DEBUG, "Trying with fw file: %s", fw_name); 1091 if (access(fw_name, F_OK) == 0) 1092 return 0; 1093 1094 return -ENOENT; 1095 } 1096 1097 static int 1098 nfp_fw_upload(struct nfp_nsp *nsp, 1099 char *fw_name) 1100 { 1101 int err; 1102 void *fw_buf; 1103 size_t fsize; 1104 1105 err = rte_firmware_read(fw_name, &fw_buf, &fsize); 1106 if (err != 0) { 1107 PMD_DRV_LOG(ERR, "firmware %s not found!", fw_name); 1108 return -ENOENT; 1109 } 1110 1111 PMD_DRV_LOG(INFO, "Firmware file found at %s with size: %zu", 1112 fw_name, fsize); 1113 PMD_DRV_LOG(INFO, "Uploading the firmware ..."); 1114 if (nfp_nsp_load_fw(nsp, fw_buf, fsize) < 0) { 1115 free(fw_buf); 1116 PMD_DRV_LOG(ERR, "Firmware load failed."); 1117 return -EIO; 1118 } 1119 1120 PMD_DRV_LOG(INFO, "Done"); 1121 1122 free(fw_buf); 1123 1124 return 0; 1125 } 1126 1127 static void 1128 nfp_fw_unload(struct nfp_cpp *cpp) 1129 { 1130 struct nfp_nsp *nsp; 1131 1132 nsp = nfp_nsp_open(cpp); 1133 if (nsp == NULL) 1134 return; 1135 1136 nfp_nsp_device_soft_reset(nsp); 1137 nfp_nsp_close(nsp); 1138 } 1139 1140 static int 1141 nfp_fw_check_change(struct nfp_cpp *cpp, 1142 char *fw_name, 1143 bool *fw_changed) 1144 { 1145 int ret; 1146 struct nfp_net_hw hw; 1147 uint32_t new_version = 0; 1148 uint32_t old_version = 0; 1149 1150 ret = nfp_elf_get_fw_version(&new_version, fw_name); 1151 if (ret != 0) 1152 return ret; 1153 1154 hw.cpp = cpp; 1155 nfp_net_get_fw_version(&hw, &old_version); 1156 1157 if (new_version != old_version) { 1158 PMD_DRV_LOG(INFO, "FW version is changed, new %u, old %u", 1159 new_version, old_version); 1160 *fw_changed = true; 1161 } else { 1162 PMD_DRV_LOG(INFO, "FW version is not changed and is %u", new_version); 1163 *fw_changed = false; 1164 } 1165 1166 return 0; 1167 } 1168 1169 static int 1170 nfp_fw_reload(struct nfp_nsp *nsp, 1171 char *fw_name) 1172 { 1173 int err; 1174 1175 nfp_nsp_device_soft_reset(nsp); 1176 err = nfp_fw_upload(nsp, fw_name); 1177 if (err != 0) 1178 PMD_DRV_LOG(ERR, "NFP firmware load failed"); 1179 1180 return err; 1181 } 1182 1183 static bool 1184 nfp_fw_skip_load(const struct nfp_dev_info *dev_info, 1185 struct nfp_multi_pf *multi_pf, 1186 bool *reload_fw) 1187 { 1188 uint8_t i; 1189 uint64_t tmp_beat; 1190 uint32_t port_num; 1191 uint8_t in_use = 0; 1192 uint64_t beat[dev_info->pf_num_per_unit]; 1193 uint32_t offset[dev_info->pf_num_per_unit]; 1194 uint8_t abnormal = dev_info->pf_num_per_unit; 1195 1196 for (port_num = 0; port_num < dev_info->pf_num_per_unit; port_num++) { 1197 offset[port_num] = NFP_BEAT_OFFSET(port_num); 1198 beat[port_num] = nn_readq(multi_pf->beat_addr + offset[port_num]); 1199 if (beat[port_num] == 0) 1200 abnormal--; 1201 } 1202 1203 if (abnormal == 0) 1204 return true; 1205 1206 for (i = 0; i < 3; i++) { 1207 sleep(1); 1208 for (port_num = 0; port_num < dev_info->pf_num_per_unit; port_num++) { 1209 if (port_num == multi_pf->function_id) 1210 continue; 1211 1212 if (beat[port_num] == 0) 1213 continue; 1214 1215 tmp_beat = nn_readq(multi_pf->beat_addr + offset[port_num]); 1216 if (tmp_beat != beat[port_num]) { 1217 in_use++; 1218 abnormal--; 1219 beat[port_num] = 0; 1220 if (*reload_fw) { 1221 *reload_fw = false; 1222 PMD_DRV_LOG(ERR, "The param %s does not work", 1223 NFP_PF_FORCE_RELOAD_FW); 1224 } 1225 } 1226 } 1227 1228 if (abnormal == 0) 1229 return true; 1230 } 1231 1232 if (in_use != 0) { 1233 PMD_DRV_LOG(WARNING, "Abnormal %u != 0, the nic has port which is exit abnormally.", 1234 abnormal); 1235 return true; 1236 } 1237 1238 return false; 1239 } 1240 static int 1241 nfp_fw_reload_for_single_pf(struct nfp_nsp *nsp, 1242 char *fw_name, 1243 struct nfp_cpp *cpp, 1244 bool force_reload_fw) 1245 { 1246 int ret; 1247 bool fw_changed = true; 1248 1249 if (nfp_nsp_fw_loaded(nsp) && !force_reload_fw) { 1250 ret = nfp_fw_check_change(cpp, fw_name, &fw_changed); 1251 if (ret != 0) 1252 return ret; 1253 } 1254 1255 if (!fw_changed) 1256 return 0; 1257 1258 ret = nfp_fw_reload(nsp, fw_name); 1259 if (ret != 0) 1260 return ret; 1261 1262 return 0; 1263 } 1264 1265 static int 1266 nfp_fw_reload_for_multi_pf(struct nfp_nsp *nsp, 1267 char *fw_name, 1268 struct nfp_cpp *cpp, 1269 const struct nfp_dev_info *dev_info, 1270 struct nfp_multi_pf *multi_pf, 1271 bool force_reload_fw) 1272 { 1273 int err; 1274 bool fw_changed = true; 1275 bool skip_load_fw = false; 1276 bool reload_fw = force_reload_fw; 1277 1278 err = nfp_net_keepalive_init(cpp, multi_pf); 1279 if (err != 0) { 1280 PMD_DRV_LOG(ERR, "NFP init beat failed"); 1281 return err; 1282 } 1283 1284 err = nfp_net_keepalive_start(multi_pf); 1285 if (err != 0) { 1286 PMD_DRV_LOG(ERR, "NFP write beat failed"); 1287 goto keepalive_uninit; 1288 } 1289 1290 if (nfp_nsp_fw_loaded(nsp) && !reload_fw) { 1291 err = nfp_fw_check_change(cpp, fw_name, &fw_changed); 1292 if (err != 0) 1293 goto keepalive_stop; 1294 } 1295 1296 if (!fw_changed || reload_fw) 1297 skip_load_fw = nfp_fw_skip_load(dev_info, multi_pf, &reload_fw); 1298 1299 if (skip_load_fw && !reload_fw) 1300 return 0; 1301 1302 err = nfp_fw_reload(nsp, fw_name); 1303 if (err != 0) 1304 goto keepalive_stop; 1305 1306 nfp_net_keepalive_clear_others(dev_info, multi_pf); 1307 1308 return 0; 1309 1310 keepalive_stop: 1311 nfp_net_keepalive_stop(multi_pf); 1312 keepalive_uninit: 1313 nfp_net_keepalive_uninit(multi_pf); 1314 1315 return err; 1316 } 1317 1318 static int 1319 nfp_fw_setup(struct rte_pci_device *dev, 1320 struct nfp_cpp *cpp, 1321 struct nfp_eth_table *nfp_eth_table, 1322 struct nfp_hwinfo *hwinfo, 1323 const struct nfp_dev_info *dev_info, 1324 struct nfp_multi_pf *multi_pf, 1325 bool force_reload_fw) 1326 { 1327 int err; 1328 char fw_name[125]; 1329 char card_desc[100]; 1330 struct nfp_nsp *nsp; 1331 const char *nfp_fw_model; 1332 1333 nfp_fw_model = nfp_hwinfo_lookup(hwinfo, "nffw.partno"); 1334 if (nfp_fw_model == NULL) 1335 nfp_fw_model = nfp_hwinfo_lookup(hwinfo, "assembly.partno"); 1336 1337 if (nfp_fw_model != NULL) { 1338 PMD_DRV_LOG(INFO, "firmware model found: %s", nfp_fw_model); 1339 } else { 1340 PMD_DRV_LOG(ERR, "firmware model NOT found"); 1341 return -EIO; 1342 } 1343 1344 if (nfp_eth_table->count == 0 || nfp_eth_table->count > 8) { 1345 PMD_DRV_LOG(ERR, "NFP ethernet table reports wrong ports: %u", 1346 nfp_eth_table->count); 1347 return -EIO; 1348 } 1349 1350 PMD_DRV_LOG(INFO, "NFP ethernet port table reports %u ports", 1351 nfp_eth_table->count); 1352 1353 PMD_DRV_LOG(INFO, "Port speed: %u", nfp_eth_table->ports[0].speed); 1354 1355 snprintf(card_desc, sizeof(card_desc), "nic_%s_%dx%d.nffw", 1356 nfp_fw_model, nfp_eth_table->count, 1357 nfp_eth_table->ports[0].speed / 1000); 1358 1359 nsp = nfp_nsp_open(cpp); 1360 if (nsp == NULL) { 1361 PMD_DRV_LOG(ERR, "NFP error when obtaining NSP handle"); 1362 return -EIO; 1363 } 1364 1365 err = nfp_fw_get_name(dev, nsp, card_desc, fw_name, sizeof(fw_name)); 1366 if (err != 0) { 1367 PMD_DRV_LOG(ERR, "Can't find suitable firmware."); 1368 nfp_nsp_close(nsp); 1369 return err; 1370 } 1371 1372 if (multi_pf->enabled) 1373 err = nfp_fw_reload_for_multi_pf(nsp, fw_name, cpp, dev_info, multi_pf, 1374 force_reload_fw); 1375 else 1376 err = nfp_fw_reload_for_single_pf(nsp, fw_name, cpp, force_reload_fw); 1377 1378 nfp_nsp_close(nsp); 1379 return err; 1380 } 1381 1382 static inline bool 1383 nfp_check_multi_pf_from_fw(uint32_t total_vnics) 1384 { 1385 if (total_vnics == 1) 1386 return true; 1387 1388 return false; 1389 } 1390 1391 static inline bool 1392 nfp_check_multi_pf_from_nsp(struct rte_pci_device *pci_dev, 1393 struct nfp_cpp *cpp) 1394 { 1395 bool flag; 1396 struct nfp_nsp *nsp; 1397 1398 nsp = nfp_nsp_open(cpp); 1399 if (nsp == NULL) { 1400 PMD_DRV_LOG(ERR, "NFP error when obtaining NSP handle"); 1401 return false; 1402 } 1403 1404 flag = (nfp_nsp_get_abi_ver_major(nsp) > 0) && 1405 (pci_dev->id.device_id == PCI_DEVICE_ID_NFP3800_PF_NIC); 1406 1407 nfp_nsp_close(nsp); 1408 return flag; 1409 } 1410 1411 static int 1412 nfp_enable_multi_pf(struct nfp_pf_dev *pf_dev) 1413 { 1414 int err = 0; 1415 uint64_t tx_base; 1416 uint8_t *ctrl_bar; 1417 struct nfp_hw *hw; 1418 uint32_t cap_extend; 1419 struct nfp_net_hw net_hw; 1420 struct nfp_cpp_area *area; 1421 char name[RTE_ETH_NAME_MAX_LEN]; 1422 1423 memset(&net_hw, 0, sizeof(struct nfp_net_hw)); 1424 1425 /* Map the symbol table */ 1426 snprintf(name, sizeof(name), "_pf%u_net_bar0", 1427 pf_dev->multi_pf.function_id); 1428 ctrl_bar = nfp_rtsym_map(pf_dev->sym_tbl, name, NFP_NET_CFG_BAR_SZ, 1429 &area); 1430 if (ctrl_bar == NULL) { 1431 PMD_INIT_LOG(ERR, "Failed to find data vNIC memory symbol"); 1432 return -ENODEV; 1433 } 1434 1435 hw = &net_hw.super; 1436 hw->ctrl_bar = ctrl_bar; 1437 1438 cap_extend = nn_cfg_readl(hw, NFP_NET_CFG_CAP_WORD1); 1439 if ((cap_extend & NFP_NET_CFG_CTRL_MULTI_PF) == 0) { 1440 PMD_INIT_LOG(ERR, "Loaded firmware doesn't support multiple PF"); 1441 err = -EINVAL; 1442 goto end; 1443 } 1444 1445 tx_base = nn_cfg_readl(hw, NFP_NET_CFG_START_TXQ); 1446 net_hw.tx_bar = pf_dev->qc_bar + tx_base * NFP_QCP_QUEUE_ADDR_SZ; 1447 nfp_net_cfg_queue_setup(&net_hw); 1448 rte_spinlock_init(&hw->reconfig_lock); 1449 nfp_ext_reconfig(&net_hw.super, NFP_NET_CFG_CTRL_MULTI_PF, NFP_NET_CFG_UPDATE_GEN); 1450 end: 1451 nfp_cpp_area_release_free(area); 1452 return err; 1453 } 1454 1455 static int 1456 nfp_init_app_fw_nic(struct nfp_pf_dev *pf_dev, 1457 const struct nfp_dev_info *dev_info) 1458 { 1459 uint8_t i; 1460 uint8_t id; 1461 int ret = 0; 1462 uint32_t total_vnics; 1463 struct nfp_net_hw *hw; 1464 unsigned int numa_node; 1465 struct rte_eth_dev *eth_dev; 1466 struct nfp_app_fw_nic *app_fw_nic; 1467 struct nfp_eth_table *nfp_eth_table; 1468 char bar_name[RTE_ETH_NAME_MAX_LEN]; 1469 char port_name[RTE_ETH_NAME_MAX_LEN]; 1470 char vnic_name[RTE_ETH_NAME_MAX_LEN]; 1471 1472 nfp_eth_table = pf_dev->nfp_eth_table; 1473 PMD_INIT_LOG(INFO, "Total physical ports: %d", nfp_eth_table->count); 1474 id = nfp_function_id_get(pf_dev, 0); 1475 1476 /* Allocate memory for the CoreNIC app */ 1477 app_fw_nic = rte_zmalloc("nfp_app_fw_nic", sizeof(*app_fw_nic), 0); 1478 if (app_fw_nic == NULL) 1479 return -ENOMEM; 1480 1481 /* Point the app_fw_priv pointer in the PF to the coreNIC app */ 1482 pf_dev->app_fw_priv = app_fw_nic; 1483 1484 /* Read the number of vNIC's created for the PF */ 1485 snprintf(vnic_name, sizeof(vnic_name), "nfd_cfg_pf%u_num_ports", id); 1486 total_vnics = nfp_rtsym_read_le(pf_dev->sym_tbl, vnic_name, &ret); 1487 if (ret != 0 || total_vnics == 0 || total_vnics > 8) { 1488 PMD_INIT_LOG(ERR, "%s symbol with wrong value", vnic_name); 1489 ret = -ENODEV; 1490 goto app_cleanup; 1491 } 1492 1493 if (pf_dev->multi_pf.enabled) { 1494 if (!nfp_check_multi_pf_from_fw(total_vnics)) { 1495 PMD_INIT_LOG(ERR, "NSP report multipf, but FW report not multipf"); 1496 ret = -ENODEV; 1497 goto app_cleanup; 1498 } 1499 } else { 1500 /* 1501 * For coreNIC the number of vNICs exposed should be the same as the 1502 * number of physical ports. 1503 */ 1504 if (total_vnics != nfp_eth_table->count) { 1505 PMD_INIT_LOG(ERR, "Total physical ports do not match number of vNICs"); 1506 ret = -ENODEV; 1507 goto app_cleanup; 1508 } 1509 } 1510 1511 /* Populate coreNIC app properties */ 1512 app_fw_nic->total_phyports = total_vnics; 1513 app_fw_nic->pf_dev = pf_dev; 1514 if (total_vnics > 1) 1515 app_fw_nic->multiport = true; 1516 1517 /* Map the symbol table */ 1518 snprintf(bar_name, sizeof(bar_name), "_pf%u_net_bar0", id); 1519 pf_dev->ctrl_bar = nfp_rtsym_map(pf_dev->sym_tbl, bar_name, 1520 app_fw_nic->total_phyports * NFP_NET_CFG_BAR_SZ, 1521 &pf_dev->ctrl_area); 1522 if (pf_dev->ctrl_bar == NULL) { 1523 PMD_INIT_LOG(ERR, "nfp_rtsym_map fails for %s", bar_name); 1524 ret = -EIO; 1525 goto app_cleanup; 1526 } 1527 1528 PMD_INIT_LOG(DEBUG, "ctrl bar: %p", pf_dev->ctrl_bar); 1529 1530 /* Loop through all physical ports on PF */ 1531 numa_node = rte_socket_id(); 1532 for (i = 0; i < app_fw_nic->total_phyports; i++) { 1533 if (pf_dev->multi_pf.enabled) 1534 snprintf(port_name, sizeof(port_name), "%s", 1535 pf_dev->pci_dev->device.name); 1536 else 1537 snprintf(port_name, sizeof(port_name), "%s_port%u", 1538 pf_dev->pci_dev->device.name, i); 1539 1540 /* Allocate a eth_dev for this phyport */ 1541 eth_dev = rte_eth_dev_allocate(port_name); 1542 if (eth_dev == NULL) { 1543 ret = -ENODEV; 1544 goto port_cleanup; 1545 } 1546 1547 /* Allocate memory for this phyport */ 1548 eth_dev->data->dev_private = rte_zmalloc_socket(port_name, 1549 sizeof(struct nfp_net_hw), 1550 RTE_CACHE_LINE_SIZE, numa_node); 1551 if (eth_dev->data->dev_private == NULL) { 1552 ret = -ENOMEM; 1553 rte_eth_dev_release_port(eth_dev); 1554 goto port_cleanup; 1555 } 1556 1557 hw = eth_dev->data->dev_private; 1558 id = nfp_function_id_get(pf_dev, i); 1559 1560 /* Add this device to the PF's array of physical ports */ 1561 app_fw_nic->ports[id] = hw; 1562 1563 hw->dev_info = dev_info; 1564 hw->pf_dev = pf_dev; 1565 hw->cpp = pf_dev->cpp; 1566 hw->eth_dev = eth_dev; 1567 hw->idx = id; 1568 hw->nfp_idx = nfp_eth_table->ports[id].index; 1569 1570 eth_dev->device = &pf_dev->pci_dev->device; 1571 1572 /* 1573 * Ctrl/tx/rx BAR mappings and remaining init happens in 1574 * @nfp_net_init() 1575 */ 1576 ret = nfp_net_init(eth_dev); 1577 if (ret != 0) { 1578 ret = -ENODEV; 1579 goto port_cleanup; 1580 } 1581 1582 rte_eth_dev_probing_finish(eth_dev); 1583 1584 } /* End loop, all ports on this PF */ 1585 1586 return 0; 1587 1588 port_cleanup: 1589 for (i = 0; i < app_fw_nic->total_phyports; i++) { 1590 id = nfp_function_id_get(pf_dev, i); 1591 hw = app_fw_nic->ports[id]; 1592 1593 if (hw != NULL && hw->eth_dev != NULL) { 1594 nfp_net_uninit(hw->eth_dev); 1595 rte_eth_dev_release_port(hw->eth_dev); 1596 } 1597 } 1598 nfp_cpp_area_release_free(pf_dev->ctrl_area); 1599 app_cleanup: 1600 rte_free(app_fw_nic); 1601 1602 return ret; 1603 } 1604 1605 static int 1606 nfp_net_hwinfo_set(uint8_t function_id, 1607 struct nfp_rtsym_table *sym_tbl, 1608 struct nfp_cpp *cpp) 1609 { 1610 int ret = 0; 1611 uint64_t app_cap; 1612 uint8_t sp_indiff; 1613 struct nfp_nsp *nsp; 1614 char hw_info[RTE_ETH_NAME_MAX_LEN]; 1615 char app_cap_name[RTE_ETH_NAME_MAX_LEN]; 1616 1617 /* Read the app capabilities of the firmware loaded */ 1618 snprintf(app_cap_name, sizeof(app_cap_name), "_pf%u_net_app_cap", function_id); 1619 app_cap = nfp_rtsym_read_le(sym_tbl, app_cap_name, &ret); 1620 if (ret != 0) { 1621 PMD_INIT_LOG(ERR, "Couldn't read app_fw_cap from firmware."); 1622 return ret; 1623 } 1624 1625 /* Calculate the value of sp_indiff and write to hw_info */ 1626 sp_indiff = app_cap & NFP_NET_APP_CAP_SP_INDIFF; 1627 snprintf(hw_info, sizeof(hw_info), "sp_indiff=%u", sp_indiff); 1628 1629 nsp = nfp_nsp_open(cpp); 1630 if (nsp == NULL) { 1631 PMD_INIT_LOG(ERR, "Couldn't get NSP."); 1632 return -EIO; 1633 } 1634 1635 ret = nfp_nsp_hwinfo_set(nsp, hw_info, sizeof(hw_info)); 1636 nfp_nsp_close(nsp); 1637 if (ret != 0) { 1638 PMD_INIT_LOG(ERR, "Failed to set parameter to hwinfo."); 1639 return ret; 1640 } 1641 1642 return 0; 1643 } 1644 1645 const uint32_t nfp_eth_media_table[NFP_MEDIA_LINK_MODES_NUMBER] = { 1646 [NFP_MEDIA_W0_RJ45_10M] = RTE_ETH_LINK_SPEED_10M, 1647 [NFP_MEDIA_W0_RJ45_10M_HD] = RTE_ETH_LINK_SPEED_10M_HD, 1648 [NFP_MEDIA_W0_RJ45_100M] = RTE_ETH_LINK_SPEED_100M, 1649 [NFP_MEDIA_W0_RJ45_100M_HD] = RTE_ETH_LINK_SPEED_100M_HD, 1650 [NFP_MEDIA_W0_RJ45_1G] = RTE_ETH_LINK_SPEED_1G, 1651 [NFP_MEDIA_W0_RJ45_2P5G] = RTE_ETH_LINK_SPEED_2_5G, 1652 [NFP_MEDIA_W0_RJ45_5G] = RTE_ETH_LINK_SPEED_5G, 1653 [NFP_MEDIA_W0_RJ45_10G] = RTE_ETH_LINK_SPEED_10G, 1654 [NFP_MEDIA_1000BASE_CX] = RTE_ETH_LINK_SPEED_1G, 1655 [NFP_MEDIA_1000BASE_KX] = RTE_ETH_LINK_SPEED_1G, 1656 [NFP_MEDIA_10GBASE_KX4] = RTE_ETH_LINK_SPEED_10G, 1657 [NFP_MEDIA_10GBASE_KR] = RTE_ETH_LINK_SPEED_10G, 1658 [NFP_MEDIA_10GBASE_CX4] = RTE_ETH_LINK_SPEED_10G, 1659 [NFP_MEDIA_10GBASE_CR] = RTE_ETH_LINK_SPEED_10G, 1660 [NFP_MEDIA_10GBASE_SR] = RTE_ETH_LINK_SPEED_10G, 1661 [NFP_MEDIA_10GBASE_ER] = RTE_ETH_LINK_SPEED_10G, 1662 [NFP_MEDIA_25GBASE_KR] = RTE_ETH_LINK_SPEED_25G, 1663 [NFP_MEDIA_25GBASE_KR_S] = RTE_ETH_LINK_SPEED_25G, 1664 [NFP_MEDIA_25GBASE_CR] = RTE_ETH_LINK_SPEED_25G, 1665 [NFP_MEDIA_25GBASE_CR_S] = RTE_ETH_LINK_SPEED_25G, 1666 [NFP_MEDIA_25GBASE_SR] = RTE_ETH_LINK_SPEED_25G, 1667 [NFP_MEDIA_40GBASE_CR4] = RTE_ETH_LINK_SPEED_40G, 1668 [NFP_MEDIA_40GBASE_KR4] = RTE_ETH_LINK_SPEED_40G, 1669 [NFP_MEDIA_40GBASE_SR4] = RTE_ETH_LINK_SPEED_40G, 1670 [NFP_MEDIA_40GBASE_LR4] = RTE_ETH_LINK_SPEED_40G, 1671 [NFP_MEDIA_50GBASE_KR] = RTE_ETH_LINK_SPEED_50G, 1672 [NFP_MEDIA_50GBASE_SR] = RTE_ETH_LINK_SPEED_50G, 1673 [NFP_MEDIA_50GBASE_CR] = RTE_ETH_LINK_SPEED_50G, 1674 [NFP_MEDIA_50GBASE_LR] = RTE_ETH_LINK_SPEED_50G, 1675 [NFP_MEDIA_50GBASE_ER] = RTE_ETH_LINK_SPEED_50G, 1676 [NFP_MEDIA_50GBASE_FR] = RTE_ETH_LINK_SPEED_50G, 1677 [NFP_MEDIA_100GBASE_KR4] = RTE_ETH_LINK_SPEED_100G, 1678 [NFP_MEDIA_100GBASE_SR4] = RTE_ETH_LINK_SPEED_100G, 1679 [NFP_MEDIA_100GBASE_CR4] = RTE_ETH_LINK_SPEED_100G, 1680 [NFP_MEDIA_100GBASE_KP4] = RTE_ETH_LINK_SPEED_100G, 1681 [NFP_MEDIA_100GBASE_CR10] = RTE_ETH_LINK_SPEED_100G, 1682 [NFP_MEDIA_10GBASE_LR] = RTE_ETH_LINK_SPEED_10G, 1683 [NFP_MEDIA_25GBASE_LR] = RTE_ETH_LINK_SPEED_25G, 1684 [NFP_MEDIA_25GBASE_ER] = RTE_ETH_LINK_SPEED_25G 1685 }; 1686 1687 static int 1688 nfp_net_speed_capa_get_real(struct nfp_eth_media_buf *media_buf, 1689 struct nfp_pf_dev *pf_dev) 1690 { 1691 uint32_t i; 1692 uint32_t j; 1693 uint32_t offset; 1694 uint32_t speed_capa = 0; 1695 uint64_t supported_modes; 1696 1697 for (i = 0; i < RTE_DIM(media_buf->supported_modes); i++) { 1698 supported_modes = media_buf->supported_modes[i]; 1699 offset = i * UINT64_BIT; 1700 for (j = 0; j < UINT64_BIT; j++) { 1701 if (supported_modes == 0) 1702 break; 1703 1704 if ((supported_modes & 1) != 0) { 1705 if ((j + offset) >= NFP_MEDIA_LINK_MODES_NUMBER) { 1706 PMD_DRV_LOG(ERR, "Invalid offset of media table."); 1707 return -EINVAL; 1708 } 1709 1710 speed_capa |= nfp_eth_media_table[j + offset]; 1711 } 1712 1713 supported_modes = supported_modes >> 1; 1714 } 1715 } 1716 1717 pf_dev->speed_capa = speed_capa; 1718 1719 return pf_dev->speed_capa == 0 ? -EINVAL : 0; 1720 } 1721 1722 static int 1723 nfp_net_speed_capa_get(struct nfp_pf_dev *pf_dev, 1724 uint32_t port_id) 1725 { 1726 int ret; 1727 struct nfp_nsp *nsp; 1728 struct nfp_eth_media_buf media_buf; 1729 1730 media_buf.eth_index = pf_dev->nfp_eth_table->ports[port_id].eth_index; 1731 pf_dev->speed_capa = 0; 1732 1733 nsp = nfp_nsp_open(pf_dev->cpp); 1734 if (nsp == NULL) { 1735 PMD_DRV_LOG(ERR, "Couldn't get NSP."); 1736 return -EIO; 1737 } 1738 1739 ret = nfp_nsp_read_media(nsp, &media_buf, sizeof(media_buf)); 1740 nfp_nsp_close(nsp); 1741 if (ret != 0) { 1742 PMD_DRV_LOG(ERR, "Failed to read media."); 1743 return ret; 1744 } 1745 1746 ret = nfp_net_speed_capa_get_real(&media_buf, pf_dev); 1747 if (ret < 0) { 1748 PMD_DRV_LOG(ERR, "Speed capability is invalid."); 1749 return ret; 1750 } 1751 1752 return 0; 1753 } 1754 1755 static int 1756 nfp_pf_init(struct rte_pci_device *pci_dev) 1757 { 1758 void *sync; 1759 uint32_t i; 1760 uint32_t id; 1761 int ret = 0; 1762 uint64_t addr; 1763 uint32_t index; 1764 uint32_t cpp_id; 1765 uint8_t function_id; 1766 struct nfp_cpp *cpp; 1767 struct nfp_pf_dev *pf_dev; 1768 struct nfp_hwinfo *hwinfo; 1769 enum nfp_app_fw_id app_fw_id; 1770 char name[RTE_ETH_NAME_MAX_LEN]; 1771 struct nfp_rtsym_table *sym_tbl; 1772 char app_name[RTE_ETH_NAME_MAX_LEN]; 1773 struct nfp_eth_table *nfp_eth_table; 1774 const struct nfp_dev_info *dev_info; 1775 1776 if (pci_dev == NULL) 1777 return -ENODEV; 1778 1779 if (pci_dev->mem_resource[0].addr == NULL) { 1780 PMD_INIT_LOG(ERR, "The address of BAR0 is NULL."); 1781 return -ENODEV; 1782 } 1783 1784 dev_info = nfp_dev_info_get(pci_dev->id.device_id); 1785 if (dev_info == NULL) { 1786 PMD_INIT_LOG(ERR, "Not supported device ID"); 1787 return -ENODEV; 1788 } 1789 1790 /* Allocate memory for the PF "device" */ 1791 function_id = (pci_dev->addr.function) & 0x07; 1792 snprintf(name, sizeof(name), "nfp_pf%u", function_id); 1793 pf_dev = rte_zmalloc(name, sizeof(*pf_dev), 0); 1794 if (pf_dev == NULL) { 1795 PMD_INIT_LOG(ERR, "Can't allocate memory for the PF device"); 1796 return -ENOMEM; 1797 } 1798 1799 sync = nfp_sync_alloc(); 1800 if (sync == NULL) { 1801 PMD_INIT_LOG(ERR, "Failed to alloc sync zone."); 1802 ret = -ENOMEM; 1803 goto pf_cleanup; 1804 } 1805 1806 /* 1807 * When device bound to UIO, the device could be used, by mistake, 1808 * by two DPDK apps, and the UIO driver does not avoid it. This 1809 * could lead to a serious problem when configuring the NFP CPP 1810 * interface. Here we avoid this telling to the CPP init code to 1811 * use a lock file if UIO is being used. 1812 */ 1813 if (pci_dev->kdrv == RTE_PCI_KDRV_VFIO) 1814 cpp = nfp_cpp_from_nfp6000_pcie(pci_dev, dev_info, false); 1815 else 1816 cpp = nfp_cpp_from_nfp6000_pcie(pci_dev, dev_info, true); 1817 1818 if (cpp == NULL) { 1819 PMD_INIT_LOG(ERR, "A CPP handle can not be obtained"); 1820 ret = -EIO; 1821 goto sync_free; 1822 } 1823 1824 hwinfo = nfp_hwinfo_read(cpp); 1825 if (hwinfo == NULL) { 1826 PMD_INIT_LOG(ERR, "Error reading hwinfo table"); 1827 ret = -EIO; 1828 goto cpp_cleanup; 1829 } 1830 1831 /* Read the number of physical ports from hardware */ 1832 nfp_eth_table = nfp_eth_read_ports(cpp); 1833 if (nfp_eth_table == NULL) { 1834 PMD_INIT_LOG(ERR, "Error reading NFP ethernet table"); 1835 ret = -EIO; 1836 goto hwinfo_cleanup; 1837 } 1838 1839 pf_dev->multi_pf.enabled = nfp_check_multi_pf_from_nsp(pci_dev, cpp); 1840 pf_dev->multi_pf.function_id = function_id; 1841 1842 /* Force the physical port down to clear the possible DMA error */ 1843 for (i = 0; i < nfp_eth_table->count; i++) { 1844 id = nfp_function_id_get(pf_dev, i); 1845 index = nfp_eth_table->ports[id].index; 1846 nfp_eth_set_configured(cpp, index, 0); 1847 } 1848 1849 nfp_devargs_parse(&pf_dev->devargs, pci_dev->device.devargs); 1850 1851 if (nfp_fw_setup(pci_dev, cpp, nfp_eth_table, hwinfo, 1852 dev_info, &pf_dev->multi_pf, pf_dev->devargs.force_reload_fw) != 0) { 1853 PMD_INIT_LOG(ERR, "Error when uploading firmware"); 1854 ret = -EIO; 1855 goto eth_table_cleanup; 1856 } 1857 1858 /* Now the symbol table should be there */ 1859 sym_tbl = nfp_rtsym_table_read(cpp); 1860 if (sym_tbl == NULL) { 1861 PMD_INIT_LOG(ERR, "Something is wrong with the firmware symbol table"); 1862 ret = -EIO; 1863 goto fw_cleanup; 1864 } 1865 1866 /* Read the app ID of the firmware loaded */ 1867 snprintf(app_name, sizeof(app_name), "_pf%u_net_app_id", function_id); 1868 app_fw_id = nfp_rtsym_read_le(sym_tbl, app_name, &ret); 1869 if (ret != 0) { 1870 PMD_INIT_LOG(ERR, "Couldn't read %s from firmware", app_name); 1871 ret = -EIO; 1872 goto sym_tbl_cleanup; 1873 } 1874 1875 /* Write sp_indiff to hw_info */ 1876 ret = nfp_net_hwinfo_set(function_id, sym_tbl, cpp); 1877 if (ret != 0) { 1878 PMD_INIT_LOG(ERR, "Failed to set hwinfo."); 1879 ret = -EIO; 1880 goto sym_tbl_cleanup; 1881 } 1882 1883 /* Populate the newly created PF device */ 1884 pf_dev->app_fw_id = app_fw_id; 1885 pf_dev->cpp = cpp; 1886 pf_dev->hwinfo = hwinfo; 1887 pf_dev->sym_tbl = sym_tbl; 1888 pf_dev->pci_dev = pci_dev; 1889 pf_dev->nfp_eth_table = nfp_eth_table; 1890 pf_dev->sync = sync; 1891 1892 /* Get the speed capability */ 1893 for (i = 0; i < nfp_eth_table->count; i++) { 1894 id = nfp_function_id_get(pf_dev, i); 1895 ret = nfp_net_speed_capa_get(pf_dev, id); 1896 if (ret != 0) { 1897 PMD_INIT_LOG(ERR, "Failed to get speed capability."); 1898 ret = -EIO; 1899 goto sym_tbl_cleanup; 1900 } 1901 } 1902 1903 /* Configure access to tx/rx vNIC BARs */ 1904 addr = nfp_qcp_queue_offset(dev_info, 0); 1905 cpp_id = NFP_CPP_ISLAND_ID(0, NFP_CPP_ACTION_RW, 0, 0); 1906 1907 pf_dev->qc_bar = nfp_cpp_map_area(pf_dev->cpp, cpp_id, 1908 addr, dev_info->qc_area_sz, &pf_dev->qc_area); 1909 if (pf_dev->qc_bar == NULL) { 1910 PMD_INIT_LOG(ERR, "nfp_rtsym_map fails for net.qc"); 1911 ret = -EIO; 1912 goto sym_tbl_cleanup; 1913 } 1914 1915 PMD_INIT_LOG(DEBUG, "qc_bar address: %p", pf_dev->qc_bar); 1916 1917 /* 1918 * PF initialization has been done at this point. Call app specific 1919 * init code now. 1920 */ 1921 switch (pf_dev->app_fw_id) { 1922 case NFP_APP_FW_CORE_NIC: 1923 if (pf_dev->multi_pf.enabled) { 1924 ret = nfp_enable_multi_pf(pf_dev); 1925 if (ret != 0) 1926 goto hwqueues_cleanup; 1927 } 1928 1929 PMD_INIT_LOG(INFO, "Initializing coreNIC"); 1930 ret = nfp_init_app_fw_nic(pf_dev, dev_info); 1931 if (ret != 0) { 1932 PMD_INIT_LOG(ERR, "Could not initialize coreNIC!"); 1933 goto hwqueues_cleanup; 1934 } 1935 break; 1936 case NFP_APP_FW_FLOWER_NIC: 1937 PMD_INIT_LOG(INFO, "Initializing Flower"); 1938 ret = nfp_init_app_fw_flower(pf_dev, dev_info); 1939 if (ret != 0) { 1940 PMD_INIT_LOG(ERR, "Could not initialize Flower!"); 1941 goto hwqueues_cleanup; 1942 } 1943 break; 1944 default: 1945 PMD_INIT_LOG(ERR, "Unsupported Firmware loaded"); 1946 ret = -EINVAL; 1947 goto hwqueues_cleanup; 1948 } 1949 1950 /* Register the CPP bridge service here for primary use */ 1951 ret = nfp_enable_cpp_service(pf_dev); 1952 if (ret != 0) 1953 PMD_INIT_LOG(INFO, "Enable cpp service failed."); 1954 1955 return 0; 1956 1957 hwqueues_cleanup: 1958 nfp_cpp_area_release_free(pf_dev->qc_area); 1959 sym_tbl_cleanup: 1960 free(sym_tbl); 1961 fw_cleanup: 1962 nfp_fw_unload(cpp); 1963 nfp_net_keepalive_stop(&pf_dev->multi_pf); 1964 nfp_net_keepalive_clear(pf_dev->multi_pf.beat_addr, pf_dev->multi_pf.function_id); 1965 nfp_net_keepalive_uninit(&pf_dev->multi_pf); 1966 eth_table_cleanup: 1967 free(nfp_eth_table); 1968 hwinfo_cleanup: 1969 free(hwinfo); 1970 cpp_cleanup: 1971 nfp_cpp_free(cpp); 1972 sync_free: 1973 nfp_sync_free(sync); 1974 pf_cleanup: 1975 rte_free(pf_dev); 1976 1977 return ret; 1978 } 1979 1980 static int 1981 nfp_secondary_init_app_fw_nic(struct nfp_pf_dev *pf_dev) 1982 { 1983 uint32_t i; 1984 int err = 0; 1985 int ret = 0; 1986 uint8_t function_id; 1987 uint32_t total_vnics; 1988 struct nfp_net_hw *hw; 1989 char pf_name[RTE_ETH_NAME_MAX_LEN]; 1990 1991 /* Read the number of vNIC's created for the PF */ 1992 function_id = (pf_dev->pci_dev->addr.function) & 0x07; 1993 snprintf(pf_name, sizeof(pf_name), "nfd_cfg_pf%u_num_ports", function_id); 1994 total_vnics = nfp_rtsym_read_le(pf_dev->sym_tbl, pf_name, &err); 1995 if (err != 0 || total_vnics == 0 || total_vnics > 8) { 1996 PMD_INIT_LOG(ERR, "%s symbol with wrong value", pf_name); 1997 return -ENODEV; 1998 } 1999 2000 for (i = 0; i < total_vnics; i++) { 2001 struct rte_eth_dev *eth_dev; 2002 char port_name[RTE_ETH_NAME_MAX_LEN]; 2003 2004 if (nfp_check_multi_pf_from_fw(total_vnics)) 2005 snprintf(port_name, sizeof(port_name), "%s", 2006 pf_dev->pci_dev->device.name); 2007 else 2008 snprintf(port_name, sizeof(port_name), "%s_port%u", 2009 pf_dev->pci_dev->device.name, i); 2010 2011 PMD_INIT_LOG(DEBUG, "Secondary attaching to port %s", port_name); 2012 eth_dev = rte_eth_dev_attach_secondary(port_name); 2013 if (eth_dev == NULL) { 2014 PMD_INIT_LOG(ERR, "Secondary process attach to port %s failed", port_name); 2015 ret = -ENODEV; 2016 break; 2017 } 2018 2019 eth_dev->process_private = pf_dev; 2020 hw = eth_dev->data->dev_private; 2021 nfp_net_ethdev_ops_mount(hw, eth_dev); 2022 2023 rte_eth_dev_probing_finish(eth_dev); 2024 } 2025 2026 return ret; 2027 } 2028 2029 /* 2030 * When attaching to the NFP4000/6000 PF on a secondary process there 2031 * is no need to initialise the PF again. Only minimal work is required 2032 * here. 2033 */ 2034 static int 2035 nfp_pf_secondary_init(struct rte_pci_device *pci_dev) 2036 { 2037 void *sync; 2038 int ret = 0; 2039 struct nfp_cpp *cpp; 2040 uint8_t function_id; 2041 struct nfp_pf_dev *pf_dev; 2042 enum nfp_app_fw_id app_fw_id; 2043 char name[RTE_ETH_NAME_MAX_LEN]; 2044 struct nfp_rtsym_table *sym_tbl; 2045 const struct nfp_dev_info *dev_info; 2046 char app_name[RTE_ETH_NAME_MAX_LEN]; 2047 2048 if (pci_dev == NULL) 2049 return -ENODEV; 2050 2051 if (pci_dev->mem_resource[0].addr == NULL) { 2052 PMD_INIT_LOG(ERR, "The address of BAR0 is NULL."); 2053 return -ENODEV; 2054 } 2055 2056 dev_info = nfp_dev_info_get(pci_dev->id.device_id); 2057 if (dev_info == NULL) { 2058 PMD_INIT_LOG(ERR, "Not supported device ID"); 2059 return -ENODEV; 2060 } 2061 2062 /* Allocate memory for the PF "device" */ 2063 snprintf(name, sizeof(name), "nfp_pf%d", 0); 2064 pf_dev = rte_zmalloc(name, sizeof(*pf_dev), 0); 2065 if (pf_dev == NULL) { 2066 PMD_INIT_LOG(ERR, "Can't allocate memory for the PF device"); 2067 return -ENOMEM; 2068 } 2069 2070 sync = nfp_sync_alloc(); 2071 if (sync == NULL) { 2072 PMD_INIT_LOG(ERR, "Failed to alloc sync zone."); 2073 ret = -ENOMEM; 2074 goto pf_cleanup; 2075 } 2076 2077 /* 2078 * When device bound to UIO, the device could be used, by mistake, 2079 * by two DPDK apps, and the UIO driver does not avoid it. This 2080 * could lead to a serious problem when configuring the NFP CPP 2081 * interface. Here we avoid this telling to the CPP init code to 2082 * use a lock file if UIO is being used. 2083 */ 2084 if (pci_dev->kdrv == RTE_PCI_KDRV_VFIO) 2085 cpp = nfp_cpp_from_nfp6000_pcie(pci_dev, dev_info, false); 2086 else 2087 cpp = nfp_cpp_from_nfp6000_pcie(pci_dev, dev_info, true); 2088 2089 if (cpp == NULL) { 2090 PMD_INIT_LOG(ERR, "A CPP handle can not be obtained"); 2091 ret = -EIO; 2092 goto sync_free; 2093 } 2094 2095 /* 2096 * We don't have access to the PF created in the primary process 2097 * here so we have to read the number of ports from firmware. 2098 */ 2099 sym_tbl = nfp_rtsym_table_read(cpp); 2100 if (sym_tbl == NULL) { 2101 PMD_INIT_LOG(ERR, "Something is wrong with the firmware symbol table"); 2102 ret = -EIO; 2103 goto sync_free; 2104 } 2105 2106 /* Read the app ID of the firmware loaded */ 2107 function_id = pci_dev->addr.function & 0x7; 2108 snprintf(app_name, sizeof(app_name), "_pf%u_net_app_id", function_id); 2109 app_fw_id = nfp_rtsym_read_le(sym_tbl, app_name, &ret); 2110 if (ret != 0) { 2111 PMD_INIT_LOG(ERR, "Couldn't read %s from fw", app_name); 2112 ret = -EIO; 2113 goto sym_tbl_cleanup; 2114 } 2115 2116 /* Populate the newly created PF device */ 2117 pf_dev->app_fw_id = app_fw_id; 2118 pf_dev->cpp = cpp; 2119 pf_dev->sym_tbl = sym_tbl; 2120 pf_dev->pci_dev = pci_dev; 2121 pf_dev->sync = sync; 2122 2123 /* Call app specific init code now */ 2124 switch (app_fw_id) { 2125 case NFP_APP_FW_CORE_NIC: 2126 PMD_INIT_LOG(INFO, "Initializing coreNIC"); 2127 ret = nfp_secondary_init_app_fw_nic(pf_dev); 2128 if (ret != 0) { 2129 PMD_INIT_LOG(ERR, "Could not initialize coreNIC!"); 2130 goto sym_tbl_cleanup; 2131 } 2132 break; 2133 case NFP_APP_FW_FLOWER_NIC: 2134 PMD_INIT_LOG(INFO, "Initializing Flower"); 2135 ret = nfp_secondary_init_app_fw_flower(pf_dev); 2136 if (ret != 0) { 2137 PMD_INIT_LOG(ERR, "Could not initialize Flower!"); 2138 goto sym_tbl_cleanup; 2139 } 2140 break; 2141 default: 2142 PMD_INIT_LOG(ERR, "Unsupported Firmware loaded"); 2143 ret = -EINVAL; 2144 goto sym_tbl_cleanup; 2145 } 2146 2147 return 0; 2148 2149 sym_tbl_cleanup: 2150 free(sym_tbl); 2151 sync_free: 2152 nfp_sync_free(sync); 2153 pf_cleanup: 2154 rte_free(pf_dev); 2155 2156 return ret; 2157 } 2158 2159 static int 2160 nfp_pf_pci_probe(struct rte_pci_driver *pci_drv __rte_unused, 2161 struct rte_pci_device *dev) 2162 { 2163 if (rte_eal_process_type() == RTE_PROC_PRIMARY) 2164 return nfp_pf_init(dev); 2165 else 2166 return nfp_pf_secondary_init(dev); 2167 } 2168 2169 static const struct rte_pci_id pci_id_nfp_pf_net_map[] = { 2170 { 2171 RTE_PCI_DEVICE(PCI_VENDOR_ID_NETRONOME, 2172 PCI_DEVICE_ID_NFP3800_PF_NIC) 2173 }, 2174 { 2175 RTE_PCI_DEVICE(PCI_VENDOR_ID_NETRONOME, 2176 PCI_DEVICE_ID_NFP4000_PF_NIC) 2177 }, 2178 { 2179 RTE_PCI_DEVICE(PCI_VENDOR_ID_NETRONOME, 2180 PCI_DEVICE_ID_NFP6000_PF_NIC) 2181 }, 2182 { 2183 RTE_PCI_DEVICE(PCI_VENDOR_ID_CORIGINE, 2184 PCI_DEVICE_ID_NFP3800_PF_NIC) 2185 }, 2186 { 2187 RTE_PCI_DEVICE(PCI_VENDOR_ID_CORIGINE, 2188 PCI_DEVICE_ID_NFP4000_PF_NIC) 2189 }, 2190 { 2191 RTE_PCI_DEVICE(PCI_VENDOR_ID_CORIGINE, 2192 PCI_DEVICE_ID_NFP6000_PF_NIC) 2193 }, 2194 { 2195 .vendor_id = 0, 2196 }, 2197 }; 2198 2199 static int 2200 nfp_pci_uninit(struct rte_eth_dev *eth_dev) 2201 { 2202 uint16_t port_id; 2203 struct rte_pci_device *pci_dev; 2204 2205 pci_dev = RTE_ETH_DEV_TO_PCI(eth_dev); 2206 2207 /* Free up all physical ports under PF */ 2208 RTE_ETH_FOREACH_DEV_OF(port_id, &pci_dev->device) 2209 rte_eth_dev_close(port_id); 2210 /* 2211 * Ports can be closed and freed but hotplugging is not 2212 * currently supported. 2213 */ 2214 return -ENOTSUP; 2215 } 2216 2217 static int 2218 eth_nfp_pci_remove(struct rte_pci_device *pci_dev) 2219 { 2220 return rte_eth_dev_pci_generic_remove(pci_dev, nfp_pci_uninit); 2221 } 2222 2223 static struct rte_pci_driver rte_nfp_net_pf_pmd = { 2224 .id_table = pci_id_nfp_pf_net_map, 2225 .drv_flags = RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_INTR_LSC, 2226 .probe = nfp_pf_pci_probe, 2227 .remove = eth_nfp_pci_remove, 2228 }; 2229 2230 RTE_PMD_REGISTER_PCI(NFP_PF_DRIVER_NAME, rte_nfp_net_pf_pmd); 2231 RTE_PMD_REGISTER_PCI_TABLE(NFP_PF_DRIVER_NAME, pci_id_nfp_pf_net_map); 2232 RTE_PMD_REGISTER_KMOD_DEP(NFP_PF_DRIVER_NAME, "* igb_uio | uio_pci_generic | vfio"); 2233 RTE_PMD_REGISTER_PARAM_STRING(NFP_PF_DRIVER_NAME, NFP_PF_FORCE_RELOAD_FW "=<0|1>"); 2234