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 /* 9 * vim:shiftwidth=8:noexpandtab 10 * 11 * @file dpdk/pmd/nfp_ethdev.c 12 * 13 * Netronome vNIC DPDK Poll-Mode Driver: Main entry point 14 */ 15 16 #include <rte_common.h> 17 #include <ethdev_driver.h> 18 #include <ethdev_pci.h> 19 #include <dev_driver.h> 20 #include <rte_ether.h> 21 #include <rte_malloc.h> 22 #include <rte_memzone.h> 23 #include <rte_mempool.h> 24 #include <rte_service_component.h> 25 #include <rte_alarm.h> 26 #include "eal_firmware.h" 27 28 #include "nfpcore/nfp_cpp.h" 29 #include "nfpcore/nfp_nffw.h" 30 #include "nfpcore/nfp_hwinfo.h" 31 #include "nfpcore/nfp_mip.h" 32 #include "nfpcore/nfp_rtsym.h" 33 #include "nfpcore/nfp_nsp.h" 34 35 #include "nfp_common.h" 36 #include "nfp_ctrl.h" 37 #include "nfp_rxtx.h" 38 #include "nfp_logs.h" 39 #include "nfp_cpp_bridge.h" 40 41 #include "flower/nfp_flower.h" 42 43 static int 44 nfp_net_pf_read_mac(struct nfp_app_fw_nic *app_fw_nic, int port) 45 { 46 struct nfp_eth_table *nfp_eth_table; 47 struct nfp_net_hw *hw = NULL; 48 49 /* Grab a pointer to the correct physical port */ 50 hw = app_fw_nic->ports[port]; 51 52 nfp_eth_table = nfp_eth_read_ports(app_fw_nic->pf_dev->cpp); 53 54 nfp_eth_copy_mac((uint8_t *)&hw->mac_addr, 55 (uint8_t *)&nfp_eth_table->ports[port].mac_addr); 56 57 free(nfp_eth_table); 58 return 0; 59 } 60 61 static int 62 nfp_net_start(struct rte_eth_dev *dev) 63 { 64 struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev); 65 struct rte_intr_handle *intr_handle = pci_dev->intr_handle; 66 uint32_t new_ctrl, update = 0; 67 struct nfp_net_hw *hw; 68 struct nfp_pf_dev *pf_dev; 69 struct nfp_app_fw_nic *app_fw_nic; 70 struct rte_eth_conf *dev_conf; 71 struct rte_eth_rxmode *rxmode; 72 uint32_t intr_vector; 73 int ret; 74 75 hw = NFP_NET_DEV_PRIVATE_TO_HW(dev->data->dev_private); 76 pf_dev = NFP_NET_DEV_PRIVATE_TO_PF(dev->data->dev_private); 77 app_fw_nic = NFP_PRIV_TO_APP_FW_NIC(pf_dev->app_fw_priv); 78 79 PMD_INIT_LOG(DEBUG, "Start"); 80 81 /* Disabling queues just in case... */ 82 nfp_net_disable_queues(dev); 83 84 /* Enabling the required queues in the device */ 85 nfp_net_enable_queues(dev); 86 87 /* check and configure queue intr-vector mapping */ 88 if (dev->data->dev_conf.intr_conf.rxq != 0) { 89 if (app_fw_nic->multiport) { 90 PMD_INIT_LOG(ERR, "PMD rx interrupt is not supported " 91 "with NFP multiport PF"); 92 return -EINVAL; 93 } 94 if (rte_intr_type_get(intr_handle) == 95 RTE_INTR_HANDLE_UIO) { 96 /* 97 * Better not to share LSC with RX interrupts. 98 * Unregistering LSC interrupt handler 99 */ 100 rte_intr_callback_unregister(pci_dev->intr_handle, 101 nfp_net_dev_interrupt_handler, (void *)dev); 102 103 if (dev->data->nb_rx_queues > 1) { 104 PMD_INIT_LOG(ERR, "PMD rx interrupt only " 105 "supports 1 queue with UIO"); 106 return -EIO; 107 } 108 } 109 intr_vector = dev->data->nb_rx_queues; 110 if (rte_intr_efd_enable(intr_handle, intr_vector)) 111 return -1; 112 113 nfp_configure_rx_interrupt(dev, intr_handle); 114 update = NFP_NET_CFG_UPDATE_MSIX; 115 } 116 117 /* Checking MTU set */ 118 if (dev->data->mtu > hw->flbufsz) { 119 PMD_INIT_LOG(ERR, "MTU (%u) can't be larger than the current NFP_FRAME_SIZE (%u)", 120 dev->data->mtu, hw->flbufsz); 121 return -ERANGE; 122 } 123 124 rte_intr_enable(intr_handle); 125 126 new_ctrl = nfp_check_offloads(dev); 127 128 /* Writing configuration parameters in the device */ 129 nfp_net_params_setup(hw); 130 131 dev_conf = &dev->data->dev_conf; 132 rxmode = &dev_conf->rxmode; 133 134 if (rxmode->mq_mode & RTE_ETH_MQ_RX_RSS) { 135 nfp_net_rss_config_default(dev); 136 update |= NFP_NET_CFG_UPDATE_RSS; 137 if (hw->cap & NFP_NET_CFG_CTRL_RSS2) 138 new_ctrl |= NFP_NET_CFG_CTRL_RSS2; 139 else 140 new_ctrl |= NFP_NET_CFG_CTRL_RSS; 141 } 142 143 /* Enable device */ 144 new_ctrl |= NFP_NET_CFG_CTRL_ENABLE; 145 146 update |= NFP_NET_CFG_UPDATE_GEN | NFP_NET_CFG_UPDATE_RING; 147 148 /* Enable vxlan */ 149 new_ctrl |= NFP_NET_CFG_CTRL_VXLAN; 150 update |= NFP_NET_CFG_UPDATE_VXLAN; 151 152 if (hw->cap & NFP_NET_CFG_CTRL_RINGCFG) 153 new_ctrl |= NFP_NET_CFG_CTRL_RINGCFG; 154 155 nn_cfg_writel(hw, NFP_NET_CFG_CTRL, new_ctrl); 156 if (nfp_net_reconfig(hw, new_ctrl, update) < 0) 157 return -EIO; 158 159 /* 160 * Allocating rte mbufs for configured rx queues. 161 * This requires queues being enabled before 162 */ 163 if (nfp_net_rx_freelist_setup(dev) < 0) { 164 ret = -ENOMEM; 165 goto error; 166 } 167 168 if (rte_eal_process_type() == RTE_PROC_PRIMARY) 169 /* Configure the physical port up */ 170 nfp_eth_set_configured(hw->cpp, hw->nfp_idx, 1); 171 else 172 nfp_eth_set_configured(dev->process_private, 173 hw->nfp_idx, 1); 174 175 hw->ctrl = new_ctrl; 176 177 return 0; 178 179 error: 180 /* 181 * An error returned by this function should mean the app 182 * exiting and then the system releasing all the memory 183 * allocated even memory coming from hugepages. 184 * 185 * The device could be enabled at this point with some queues 186 * ready for getting packets. This is true if the call to 187 * nfp_net_rx_freelist_setup() succeeds for some queues but 188 * fails for subsequent queues. 189 * 190 * This should make the app exiting but better if we tell the 191 * device first. 192 */ 193 nfp_net_disable_queues(dev); 194 195 return ret; 196 } 197 198 /* Stop device: disable rx and tx functions to allow for reconfiguring. */ 199 static int 200 nfp_net_stop(struct rte_eth_dev *dev) 201 { 202 struct nfp_net_hw *hw; 203 204 PMD_INIT_LOG(DEBUG, "Stop"); 205 206 hw = NFP_NET_DEV_PRIVATE_TO_HW(dev->data->dev_private); 207 208 nfp_net_disable_queues(dev); 209 210 /* Clear queues */ 211 nfp_net_stop_tx_queue(dev); 212 213 nfp_net_stop_rx_queue(dev); 214 215 if (rte_eal_process_type() == RTE_PROC_PRIMARY) 216 /* Configure the physical port down */ 217 nfp_eth_set_configured(hw->cpp, hw->nfp_idx, 0); 218 else 219 nfp_eth_set_configured(dev->process_private, 220 hw->nfp_idx, 0); 221 222 return 0; 223 } 224 225 /* Set the link up. */ 226 static int 227 nfp_net_set_link_up(struct rte_eth_dev *dev) 228 { 229 struct nfp_net_hw *hw; 230 231 PMD_DRV_LOG(DEBUG, "Set link up"); 232 233 hw = NFP_NET_DEV_PRIVATE_TO_HW(dev->data->dev_private); 234 235 if (rte_eal_process_type() == RTE_PROC_PRIMARY) 236 /* Configure the physical port down */ 237 return nfp_eth_set_configured(hw->cpp, hw->nfp_idx, 1); 238 else 239 return nfp_eth_set_configured(dev->process_private, 240 hw->nfp_idx, 1); 241 } 242 243 /* Set the link down. */ 244 static int 245 nfp_net_set_link_down(struct rte_eth_dev *dev) 246 { 247 struct nfp_net_hw *hw; 248 249 PMD_DRV_LOG(DEBUG, "Set link down"); 250 251 hw = NFP_NET_DEV_PRIVATE_TO_HW(dev->data->dev_private); 252 253 if (rte_eal_process_type() == RTE_PROC_PRIMARY) 254 /* Configure the physical port down */ 255 return nfp_eth_set_configured(hw->cpp, hw->nfp_idx, 0); 256 else 257 return nfp_eth_set_configured(dev->process_private, 258 hw->nfp_idx, 0); 259 } 260 261 /* Reset and stop device. The device can not be restarted. */ 262 static int 263 nfp_net_close(struct rte_eth_dev *dev) 264 { 265 struct nfp_net_hw *hw; 266 struct rte_pci_device *pci_dev; 267 struct nfp_pf_dev *pf_dev; 268 struct nfp_app_fw_nic *app_fw_nic; 269 int i; 270 271 if (rte_eal_process_type() != RTE_PROC_PRIMARY) 272 return 0; 273 274 PMD_INIT_LOG(DEBUG, "Close"); 275 276 pf_dev = NFP_NET_DEV_PRIVATE_TO_PF(dev->data->dev_private); 277 hw = NFP_NET_DEV_PRIVATE_TO_HW(dev->data->dev_private); 278 pci_dev = RTE_ETH_DEV_TO_PCI(dev); 279 app_fw_nic = NFP_PRIV_TO_APP_FW_NIC(pf_dev->app_fw_priv); 280 281 /* 282 * We assume that the DPDK application is stopping all the 283 * threads/queues before calling the device close function. 284 */ 285 286 nfp_net_disable_queues(dev); 287 288 /* Clear queues */ 289 nfp_net_close_tx_queue(dev); 290 291 nfp_net_close_rx_queue(dev); 292 293 /* Cancel possible impending LSC work here before releasing the port*/ 294 rte_eal_alarm_cancel(nfp_net_dev_interrupt_delayed_handler, 295 (void *)dev); 296 297 /* Only free PF resources after all physical ports have been closed */ 298 /* Mark this port as unused and free device priv resources*/ 299 nn_cfg_writeb(hw, NFP_NET_CFG_LSC, 0xff); 300 app_fw_nic->ports[hw->idx] = NULL; 301 rte_eth_dev_release_port(dev); 302 303 for (i = 0; i < app_fw_nic->total_phyports; i++) { 304 /* Check to see if ports are still in use */ 305 if (app_fw_nic->ports[i]) 306 return 0; 307 } 308 309 /* Now it is safe to free all PF resources */ 310 PMD_INIT_LOG(INFO, "Freeing PF resources"); 311 nfp_cpp_area_free(pf_dev->ctrl_area); 312 nfp_cpp_area_free(pf_dev->hwqueues_area); 313 free(pf_dev->hwinfo); 314 free(pf_dev->sym_tbl); 315 nfp_cpp_free(pf_dev->cpp); 316 rte_free(app_fw_nic); 317 rte_free(pf_dev); 318 319 rte_intr_disable(pci_dev->intr_handle); 320 321 /* unregister callback func from eal lib */ 322 rte_intr_callback_unregister(pci_dev->intr_handle, 323 nfp_net_dev_interrupt_handler, (void *)dev); 324 325 /* 326 * The ixgbe PMD disables the pcie master on the 327 * device. The i40e does not... 328 */ 329 330 return 0; 331 } 332 333 static int 334 nfp_net_find_vxlan_idx(struct nfp_net_hw *hw, 335 uint16_t port, 336 uint32_t *idx) 337 { 338 uint32_t i; 339 int free_idx = -1; 340 341 for (i = 0; i < NFP_NET_N_VXLAN_PORTS; i++) { 342 if (hw->vxlan_ports[i] == port) { 343 free_idx = i; 344 break; 345 } 346 347 if (hw->vxlan_usecnt[i] == 0) { 348 free_idx = i; 349 break; 350 } 351 } 352 353 if (free_idx == -1) 354 return -EINVAL; 355 356 *idx = free_idx; 357 358 return 0; 359 } 360 361 static int 362 nfp_udp_tunnel_port_add(struct rte_eth_dev *dev, 363 struct rte_eth_udp_tunnel *tunnel_udp) 364 { 365 int ret; 366 uint32_t idx; 367 uint16_t vxlan_port; 368 struct nfp_net_hw *hw; 369 enum rte_eth_tunnel_type tnl_type; 370 371 hw = NFP_NET_DEV_PRIVATE_TO_HW(dev->data->dev_private); 372 vxlan_port = tunnel_udp->udp_port; 373 tnl_type = tunnel_udp->prot_type; 374 375 if (tnl_type != RTE_ETH_TUNNEL_TYPE_VXLAN) { 376 PMD_DRV_LOG(ERR, "Not VXLAN tunnel"); 377 return -ENOTSUP; 378 } 379 380 ret = nfp_net_find_vxlan_idx(hw, vxlan_port, &idx); 381 if (ret != 0) { 382 PMD_DRV_LOG(ERR, "Failed find valid vxlan idx"); 383 return -EINVAL; 384 } 385 386 if (hw->vxlan_usecnt[idx] == 0) { 387 ret = nfp_net_set_vxlan_port(hw, idx, vxlan_port); 388 if (ret != 0) { 389 PMD_DRV_LOG(ERR, "Failed set vxlan port"); 390 return -EINVAL; 391 } 392 } 393 394 hw->vxlan_usecnt[idx]++; 395 396 return 0; 397 } 398 399 static int 400 nfp_udp_tunnel_port_del(struct rte_eth_dev *dev, 401 struct rte_eth_udp_tunnel *tunnel_udp) 402 { 403 int ret; 404 uint32_t idx; 405 uint16_t vxlan_port; 406 struct nfp_net_hw *hw; 407 enum rte_eth_tunnel_type tnl_type; 408 409 hw = NFP_NET_DEV_PRIVATE_TO_HW(dev->data->dev_private); 410 vxlan_port = tunnel_udp->udp_port; 411 tnl_type = tunnel_udp->prot_type; 412 413 if (tnl_type != RTE_ETH_TUNNEL_TYPE_VXLAN) { 414 PMD_DRV_LOG(ERR, "Not VXLAN tunnel"); 415 return -ENOTSUP; 416 } 417 418 ret = nfp_net_find_vxlan_idx(hw, vxlan_port, &idx); 419 if (ret != 0 || hw->vxlan_usecnt[idx] == 0) { 420 PMD_DRV_LOG(ERR, "Failed find valid vxlan idx"); 421 return -EINVAL; 422 } 423 424 hw->vxlan_usecnt[idx]--; 425 426 if (hw->vxlan_usecnt[idx] == 0) { 427 ret = nfp_net_set_vxlan_port(hw, idx, 0); 428 if (ret != 0) { 429 PMD_DRV_LOG(ERR, "Failed set vxlan port"); 430 return -EINVAL; 431 } 432 } 433 434 return 0; 435 } 436 437 /* Initialise and register driver with DPDK Application */ 438 static const struct eth_dev_ops nfp_net_eth_dev_ops = { 439 .dev_configure = nfp_net_configure, 440 .dev_start = nfp_net_start, 441 .dev_stop = nfp_net_stop, 442 .dev_set_link_up = nfp_net_set_link_up, 443 .dev_set_link_down = nfp_net_set_link_down, 444 .dev_close = nfp_net_close, 445 .promiscuous_enable = nfp_net_promisc_enable, 446 .promiscuous_disable = nfp_net_promisc_disable, 447 .link_update = nfp_net_link_update, 448 .stats_get = nfp_net_stats_get, 449 .stats_reset = nfp_net_stats_reset, 450 .dev_infos_get = nfp_net_infos_get, 451 .dev_supported_ptypes_get = nfp_net_supported_ptypes_get, 452 .mtu_set = nfp_net_dev_mtu_set, 453 .mac_addr_set = nfp_net_set_mac_addr, 454 .vlan_offload_set = nfp_net_vlan_offload_set, 455 .reta_update = nfp_net_reta_update, 456 .reta_query = nfp_net_reta_query, 457 .rss_hash_update = nfp_net_rss_hash_update, 458 .rss_hash_conf_get = nfp_net_rss_hash_conf_get, 459 .rx_queue_setup = nfp_net_rx_queue_setup, 460 .rx_queue_release = nfp_net_rx_queue_release, 461 .tx_queue_setup = nfp_net_tx_queue_setup, 462 .tx_queue_release = nfp_net_tx_queue_release, 463 .rx_queue_intr_enable = nfp_rx_queue_intr_enable, 464 .rx_queue_intr_disable = nfp_rx_queue_intr_disable, 465 .udp_tunnel_port_add = nfp_udp_tunnel_port_add, 466 .udp_tunnel_port_del = nfp_udp_tunnel_port_del, 467 }; 468 469 static inline int 470 nfp_net_ethdev_ops_mount(struct nfp_net_hw *hw, struct rte_eth_dev *eth_dev) 471 { 472 switch (NFD_CFG_CLASS_VER_of(hw->ver)) { 473 case NFP_NET_CFG_VERSION_DP_NFD3: 474 eth_dev->tx_pkt_burst = &nfp_net_nfd3_xmit_pkts; 475 break; 476 case NFP_NET_CFG_VERSION_DP_NFDK: 477 if (NFD_CFG_MAJOR_VERSION_of(hw->ver) < 5) { 478 PMD_DRV_LOG(ERR, "NFDK must use ABI 5 or newer, found: %d", 479 NFD_CFG_MAJOR_VERSION_of(hw->ver)); 480 return -EINVAL; 481 } 482 eth_dev->tx_pkt_burst = &nfp_net_nfdk_xmit_pkts; 483 break; 484 default: 485 PMD_DRV_LOG(ERR, "The version of firmware is not correct."); 486 return -EINVAL; 487 } 488 489 eth_dev->dev_ops = &nfp_net_eth_dev_ops; 490 eth_dev->rx_queue_count = nfp_net_rx_queue_count; 491 eth_dev->rx_pkt_burst = &nfp_net_recv_pkts; 492 493 return 0; 494 } 495 496 static int 497 nfp_net_init(struct rte_eth_dev *eth_dev) 498 { 499 struct rte_pci_device *pci_dev; 500 struct nfp_pf_dev *pf_dev; 501 struct nfp_app_fw_nic *app_fw_nic; 502 struct nfp_net_hw *hw; 503 struct rte_ether_addr *tmp_ether_addr; 504 uint64_t rx_bar_off = 0; 505 uint64_t tx_bar_off = 0; 506 uint32_t start_q; 507 int stride = 4; 508 int port = 0; 509 510 PMD_INIT_FUNC_TRACE(); 511 512 pci_dev = RTE_ETH_DEV_TO_PCI(eth_dev); 513 514 /* Use backpointer here to the PF of this eth_dev */ 515 pf_dev = NFP_NET_DEV_PRIVATE_TO_PF(eth_dev->data->dev_private); 516 517 /* Use backpointer to the CoreNIC app struct */ 518 app_fw_nic = NFP_PRIV_TO_APP_FW_NIC(pf_dev->app_fw_priv); 519 520 /* NFP can not handle DMA addresses requiring more than 40 bits */ 521 if (rte_mem_check_dma_mask(40)) { 522 RTE_LOG(ERR, PMD, 523 "device %s can not be used: restricted dma mask to 40 bits!\n", 524 pci_dev->device.name); 525 return -ENODEV; 526 } 527 528 port = ((struct nfp_net_hw *)eth_dev->data->dev_private)->idx; 529 if (port < 0 || port > 7) { 530 PMD_DRV_LOG(ERR, "Port value is wrong"); 531 return -ENODEV; 532 } 533 534 /* 535 * Use PF array of physical ports to get pointer to 536 * this specific port 537 */ 538 hw = app_fw_nic->ports[port]; 539 540 PMD_INIT_LOG(DEBUG, "Working with physical port number: %d, " 541 "NFP internal port number: %d", port, hw->nfp_idx); 542 543 rte_eth_copy_pci_info(eth_dev, pci_dev); 544 545 hw->device_id = pci_dev->id.device_id; 546 hw->vendor_id = pci_dev->id.vendor_id; 547 hw->subsystem_device_id = pci_dev->id.subsystem_device_id; 548 hw->subsystem_vendor_id = pci_dev->id.subsystem_vendor_id; 549 550 PMD_INIT_LOG(DEBUG, "nfp_net: device (%u:%u) %u:%u:%u:%u", 551 pci_dev->id.vendor_id, pci_dev->id.device_id, 552 pci_dev->addr.domain, pci_dev->addr.bus, 553 pci_dev->addr.devid, pci_dev->addr.function); 554 555 hw->ctrl_bar = (uint8_t *)pci_dev->mem_resource[0].addr; 556 if (hw->ctrl_bar == NULL) { 557 PMD_DRV_LOG(ERR, 558 "hw->ctrl_bar is NULL. BAR0 not configured"); 559 return -ENODEV; 560 } 561 562 if (port == 0) { 563 hw->ctrl_bar = pf_dev->ctrl_bar; 564 } else { 565 if (pf_dev->ctrl_bar == NULL) 566 return -ENODEV; 567 /* Use port offset in pf ctrl_bar for this ports control bar */ 568 hw->ctrl_bar = pf_dev->ctrl_bar + (port * NFP_PF_CSR_SLICE_SIZE); 569 } 570 571 PMD_INIT_LOG(DEBUG, "ctrl bar: %p", hw->ctrl_bar); 572 573 hw->ver = nn_cfg_readl(hw, NFP_NET_CFG_VERSION); 574 575 if (nfp_net_ethdev_ops_mount(hw, eth_dev)) 576 return -EINVAL; 577 578 hw->max_rx_queues = nn_cfg_readl(hw, NFP_NET_CFG_MAX_RXRINGS); 579 hw->max_tx_queues = nn_cfg_readl(hw, NFP_NET_CFG_MAX_TXRINGS); 580 581 /* Work out where in the BAR the queues start. */ 582 switch (pci_dev->id.device_id) { 583 case PCI_DEVICE_ID_NFP3800_PF_NIC: 584 case PCI_DEVICE_ID_NFP4000_PF_NIC: 585 case PCI_DEVICE_ID_NFP6000_PF_NIC: 586 start_q = nn_cfg_readl(hw, NFP_NET_CFG_START_TXQ); 587 tx_bar_off = nfp_pci_queue(pci_dev, start_q); 588 start_q = nn_cfg_readl(hw, NFP_NET_CFG_START_RXQ); 589 rx_bar_off = nfp_pci_queue(pci_dev, start_q); 590 break; 591 default: 592 PMD_DRV_LOG(ERR, "nfp_net: no device ID matching"); 593 return -ENODEV; 594 } 595 596 PMD_INIT_LOG(DEBUG, "tx_bar_off: 0x%" PRIx64 "", tx_bar_off); 597 PMD_INIT_LOG(DEBUG, "rx_bar_off: 0x%" PRIx64 "", rx_bar_off); 598 599 hw->tx_bar = pf_dev->hw_queues + tx_bar_off; 600 hw->rx_bar = pf_dev->hw_queues + rx_bar_off; 601 eth_dev->data->dev_private = hw; 602 603 PMD_INIT_LOG(DEBUG, "ctrl_bar: %p, tx_bar: %p, rx_bar: %p", 604 hw->ctrl_bar, hw->tx_bar, hw->rx_bar); 605 606 nfp_net_cfg_queue_setup(hw); 607 608 /* Get some of the read-only fields from the config BAR */ 609 hw->cap = nn_cfg_readl(hw, NFP_NET_CFG_CAP); 610 hw->max_mtu = nn_cfg_readl(hw, NFP_NET_CFG_MAX_MTU); 611 hw->mtu = RTE_ETHER_MTU; 612 613 /* VLAN insertion is incompatible with LSOv2 */ 614 if (hw->cap & NFP_NET_CFG_CTRL_LSO2) 615 hw->cap &= ~NFP_NET_CFG_CTRL_TXVLAN; 616 617 if (NFD_CFG_MAJOR_VERSION_of(hw->ver) < 2) 618 hw->rx_offset = NFP_NET_RX_OFFSET; 619 else 620 hw->rx_offset = nn_cfg_readl(hw, NFP_NET_CFG_RX_OFFSET_ADDR); 621 622 hw->ctrl = 0; 623 624 hw->stride_rx = stride; 625 hw->stride_tx = stride; 626 627 nfp_net_log_device_information(hw); 628 629 /* Initializing spinlock for reconfigs */ 630 rte_spinlock_init(&hw->reconfig_lock); 631 632 /* Allocating memory for mac addr */ 633 eth_dev->data->mac_addrs = rte_zmalloc("mac_addr", 634 RTE_ETHER_ADDR_LEN, 0); 635 if (eth_dev->data->mac_addrs == NULL) { 636 PMD_INIT_LOG(ERR, "Failed to space for MAC address"); 637 return -ENOMEM; 638 } 639 640 nfp_net_pf_read_mac(app_fw_nic, port); 641 nfp_net_write_mac(hw, (uint8_t *)&hw->mac_addr); 642 643 tmp_ether_addr = (struct rte_ether_addr *)&hw->mac_addr; 644 if (!rte_is_valid_assigned_ether_addr(tmp_ether_addr)) { 645 PMD_INIT_LOG(INFO, "Using random mac address for port %d", port); 646 /* Using random mac addresses for VFs */ 647 rte_eth_random_addr(&hw->mac_addr[0]); 648 nfp_net_write_mac(hw, (uint8_t *)&hw->mac_addr); 649 } 650 651 /* Copying mac address to DPDK eth_dev struct */ 652 rte_ether_addr_copy((struct rte_ether_addr *)hw->mac_addr, 653 ð_dev->data->mac_addrs[0]); 654 655 if ((hw->cap & NFP_NET_CFG_CTRL_LIVE_ADDR) == 0) 656 eth_dev->data->dev_flags |= RTE_ETH_DEV_NOLIVE_MAC_ADDR; 657 658 eth_dev->data->dev_flags |= RTE_ETH_DEV_AUTOFILL_QUEUE_XSTATS; 659 660 PMD_INIT_LOG(INFO, "port %d VendorID=0x%x DeviceID=0x%x " 661 "mac=" RTE_ETHER_ADDR_PRT_FMT, 662 eth_dev->data->port_id, pci_dev->id.vendor_id, 663 pci_dev->id.device_id, 664 hw->mac_addr[0], hw->mac_addr[1], hw->mac_addr[2], 665 hw->mac_addr[3], hw->mac_addr[4], hw->mac_addr[5]); 666 667 /* Registering LSC interrupt handler */ 668 rte_intr_callback_register(pci_dev->intr_handle, 669 nfp_net_dev_interrupt_handler, (void *)eth_dev); 670 /* Telling the firmware about the LSC interrupt entry */ 671 nn_cfg_writeb(hw, NFP_NET_CFG_LSC, NFP_NET_IRQ_LSC_IDX); 672 /* Recording current stats counters values */ 673 nfp_net_stats_reset(eth_dev); 674 675 return 0; 676 } 677 678 #define DEFAULT_FW_PATH "/lib/firmware/netronome" 679 680 static int 681 nfp_fw_upload(struct rte_pci_device *dev, struct nfp_nsp *nsp, char *card) 682 { 683 struct nfp_cpp *cpp = nsp->cpp; 684 void *fw_buf; 685 char fw_name[125]; 686 char serial[40]; 687 size_t fsize; 688 689 /* Looking for firmware file in order of priority */ 690 691 /* First try to find a firmware image specific for this device */ 692 snprintf(serial, sizeof(serial), 693 "serial-%02x-%02x-%02x-%02x-%02x-%02x-%02x-%02x", 694 cpp->serial[0], cpp->serial[1], cpp->serial[2], cpp->serial[3], 695 cpp->serial[4], cpp->serial[5], cpp->interface >> 8, 696 cpp->interface & 0xff); 697 698 snprintf(fw_name, sizeof(fw_name), "%s/%s.nffw", DEFAULT_FW_PATH, 699 serial); 700 701 PMD_DRV_LOG(DEBUG, "Trying with fw file: %s", fw_name); 702 if (rte_firmware_read(fw_name, &fw_buf, &fsize) == 0) 703 goto load_fw; 704 /* Then try the PCI name */ 705 snprintf(fw_name, sizeof(fw_name), "%s/pci-%s.nffw", DEFAULT_FW_PATH, 706 dev->name); 707 708 PMD_DRV_LOG(DEBUG, "Trying with fw file: %s", fw_name); 709 if (rte_firmware_read(fw_name, &fw_buf, &fsize) == 0) 710 goto load_fw; 711 712 /* Finally try the card type and media */ 713 snprintf(fw_name, sizeof(fw_name), "%s/%s", DEFAULT_FW_PATH, card); 714 PMD_DRV_LOG(DEBUG, "Trying with fw file: %s", fw_name); 715 if (rte_firmware_read(fw_name, &fw_buf, &fsize) < 0) { 716 PMD_DRV_LOG(INFO, "Firmware file %s not found.", fw_name); 717 return -ENOENT; 718 } 719 720 load_fw: 721 PMD_DRV_LOG(INFO, "Firmware file found at %s with size: %zu", 722 fw_name, fsize); 723 PMD_DRV_LOG(INFO, "Uploading the firmware ..."); 724 nfp_nsp_load_fw(nsp, fw_buf, fsize); 725 PMD_DRV_LOG(INFO, "Done"); 726 727 free(fw_buf); 728 729 return 0; 730 } 731 732 static int 733 nfp_fw_setup(struct rte_pci_device *dev, 734 struct nfp_cpp *cpp, 735 struct nfp_eth_table *nfp_eth_table, 736 struct nfp_hwinfo *hwinfo) 737 { 738 struct nfp_nsp *nsp; 739 const char *nfp_fw_model; 740 char card_desc[100]; 741 int err = 0; 742 743 nfp_fw_model = nfp_hwinfo_lookup(hwinfo, "nffw.partno"); 744 if (nfp_fw_model == NULL) 745 nfp_fw_model = nfp_hwinfo_lookup(hwinfo, "assembly.partno"); 746 747 if (nfp_fw_model) { 748 PMD_DRV_LOG(INFO, "firmware model found: %s", nfp_fw_model); 749 } else { 750 PMD_DRV_LOG(ERR, "firmware model NOT found"); 751 return -EIO; 752 } 753 754 if (nfp_eth_table->count == 0 || nfp_eth_table->count > 8) { 755 PMD_DRV_LOG(ERR, "NFP ethernet table reports wrong ports: %u", 756 nfp_eth_table->count); 757 return -EIO; 758 } 759 760 PMD_DRV_LOG(INFO, "NFP ethernet port table reports %u ports", 761 nfp_eth_table->count); 762 763 PMD_DRV_LOG(INFO, "Port speed: %u", nfp_eth_table->ports[0].speed); 764 765 snprintf(card_desc, sizeof(card_desc), "nic_%s_%dx%d.nffw", 766 nfp_fw_model, nfp_eth_table->count, 767 nfp_eth_table->ports[0].speed / 1000); 768 769 nsp = nfp_nsp_open(cpp); 770 if (nsp == NULL) { 771 PMD_DRV_LOG(ERR, "NFP error when obtaining NSP handle"); 772 return -EIO; 773 } 774 775 nfp_nsp_device_soft_reset(nsp); 776 err = nfp_fw_upload(dev, nsp, card_desc); 777 778 nfp_nsp_close(nsp); 779 return err; 780 } 781 782 static int 783 nfp_init_app_fw_nic(struct nfp_pf_dev *pf_dev) 784 { 785 int i; 786 int ret; 787 int err = 0; 788 int total_vnics; 789 struct nfp_net_hw *hw; 790 unsigned int numa_node; 791 struct rte_eth_dev *eth_dev; 792 struct nfp_app_fw_nic *app_fw_nic; 793 struct nfp_eth_table *nfp_eth_table; 794 char port_name[RTE_ETH_NAME_MAX_LEN]; 795 796 nfp_eth_table = pf_dev->nfp_eth_table; 797 PMD_INIT_LOG(INFO, "Total physical ports: %d", nfp_eth_table->count); 798 799 /* Allocate memory for the CoreNIC app */ 800 app_fw_nic = rte_zmalloc("nfp_app_fw_nic", sizeof(*app_fw_nic), 0); 801 if (app_fw_nic == NULL) 802 return -ENOMEM; 803 804 /* Point the app_fw_priv pointer in the PF to the coreNIC app */ 805 pf_dev->app_fw_priv = app_fw_nic; 806 807 /* Read the number of vNIC's created for the PF */ 808 total_vnics = nfp_rtsym_read_le(pf_dev->sym_tbl, "nfd_cfg_pf0_num_ports", &err); 809 if (err != 0 || total_vnics <= 0 || total_vnics > 8) { 810 PMD_INIT_LOG(ERR, "nfd_cfg_pf0_num_ports symbol with wrong value"); 811 ret = -ENODEV; 812 goto app_cleanup; 813 } 814 815 /* 816 * For coreNIC the number of vNICs exposed should be the same as the 817 * number of physical ports 818 */ 819 if (total_vnics != (int)nfp_eth_table->count) { 820 PMD_INIT_LOG(ERR, "Total physical ports do not match number of vNICs"); 821 ret = -ENODEV; 822 goto app_cleanup; 823 } 824 825 /* Populate coreNIC app properties*/ 826 app_fw_nic->total_phyports = total_vnics; 827 app_fw_nic->pf_dev = pf_dev; 828 if (total_vnics > 1) 829 app_fw_nic->multiport = true; 830 831 /* Map the symbol table */ 832 pf_dev->ctrl_bar = nfp_rtsym_map(pf_dev->sym_tbl, "_pf0_net_bar0", 833 app_fw_nic->total_phyports * 32768, &pf_dev->ctrl_area); 834 if (pf_dev->ctrl_bar == NULL) { 835 PMD_INIT_LOG(ERR, "nfp_rtsym_map fails for _pf0_net_ctrl_bar"); 836 ret = -EIO; 837 goto app_cleanup; 838 } 839 840 PMD_INIT_LOG(DEBUG, "ctrl bar: %p", pf_dev->ctrl_bar); 841 842 /* Loop through all physical ports on PF */ 843 numa_node = rte_socket_id(); 844 for (i = 0; i < app_fw_nic->total_phyports; i++) { 845 snprintf(port_name, sizeof(port_name), "%s_port%d", 846 pf_dev->pci_dev->device.name, i); 847 848 /* Allocate a eth_dev for this phyport */ 849 eth_dev = rte_eth_dev_allocate(port_name); 850 if (eth_dev == NULL) { 851 ret = -ENODEV; 852 goto port_cleanup; 853 } 854 855 /* Allocate memory for this phyport */ 856 eth_dev->data->dev_private = 857 rte_zmalloc_socket(port_name, sizeof(struct nfp_net_hw), 858 RTE_CACHE_LINE_SIZE, numa_node); 859 if (eth_dev->data->dev_private == NULL) { 860 ret = -ENOMEM; 861 rte_eth_dev_release_port(eth_dev); 862 goto port_cleanup; 863 } 864 865 hw = NFP_NET_DEV_PRIVATE_TO_HW(eth_dev->data->dev_private); 866 867 /* Add this device to the PF's array of physical ports */ 868 app_fw_nic->ports[i] = hw; 869 870 hw->pf_dev = pf_dev; 871 hw->cpp = pf_dev->cpp; 872 hw->eth_dev = eth_dev; 873 hw->idx = i; 874 hw->nfp_idx = nfp_eth_table->ports[i].index; 875 876 eth_dev->device = &pf_dev->pci_dev->device; 877 878 /* ctrl/tx/rx BAR mappings and remaining init happens in 879 * nfp_net_init 880 */ 881 ret = nfp_net_init(eth_dev); 882 if (ret) { 883 ret = -ENODEV; 884 goto port_cleanup; 885 } 886 887 rte_eth_dev_probing_finish(eth_dev); 888 889 } /* End loop, all ports on this PF */ 890 891 return 0; 892 893 port_cleanup: 894 for (i = 0; i < app_fw_nic->total_phyports; i++) { 895 if (app_fw_nic->ports[i] && app_fw_nic->ports[i]->eth_dev) { 896 struct rte_eth_dev *tmp_dev; 897 tmp_dev = app_fw_nic->ports[i]->eth_dev; 898 rte_eth_dev_release_port(tmp_dev); 899 app_fw_nic->ports[i] = NULL; 900 } 901 } 902 nfp_cpp_area_free(pf_dev->ctrl_area); 903 app_cleanup: 904 rte_free(app_fw_nic); 905 906 return ret; 907 } 908 909 static int 910 nfp_pf_init(struct rte_pci_device *pci_dev) 911 { 912 int ret; 913 int err = 0; 914 uint64_t addr; 915 struct nfp_cpp *cpp; 916 enum nfp_app_fw_id app_fw_id; 917 struct nfp_pf_dev *pf_dev; 918 struct nfp_hwinfo *hwinfo; 919 char name[RTE_ETH_NAME_MAX_LEN]; 920 struct nfp_rtsym_table *sym_tbl; 921 struct nfp_eth_table *nfp_eth_table; 922 923 if (pci_dev == NULL) 924 return -ENODEV; 925 926 /* 927 * When device bound to UIO, the device could be used, by mistake, 928 * by two DPDK apps, and the UIO driver does not avoid it. This 929 * could lead to a serious problem when configuring the NFP CPP 930 * interface. Here we avoid this telling to the CPP init code to 931 * use a lock file if UIO is being used. 932 */ 933 if (pci_dev->kdrv == RTE_PCI_KDRV_VFIO) 934 cpp = nfp_cpp_from_device_name(pci_dev, 0); 935 else 936 cpp = nfp_cpp_from_device_name(pci_dev, 1); 937 938 if (cpp == NULL) { 939 PMD_INIT_LOG(ERR, "A CPP handle can not be obtained"); 940 return -EIO; 941 } 942 943 hwinfo = nfp_hwinfo_read(cpp); 944 if (hwinfo == NULL) { 945 PMD_INIT_LOG(ERR, "Error reading hwinfo table"); 946 ret = -EIO; 947 goto cpp_cleanup; 948 } 949 950 /* Read the number of physical ports from hardware */ 951 nfp_eth_table = nfp_eth_read_ports(cpp); 952 if (nfp_eth_table == NULL) { 953 PMD_INIT_LOG(ERR, "Error reading NFP ethernet table"); 954 ret = -EIO; 955 goto hwinfo_cleanup; 956 } 957 958 if (nfp_fw_setup(pci_dev, cpp, nfp_eth_table, hwinfo)) { 959 PMD_INIT_LOG(ERR, "Error when uploading firmware"); 960 ret = -EIO; 961 goto eth_table_cleanup; 962 } 963 964 /* Now the symbol table should be there */ 965 sym_tbl = nfp_rtsym_table_read(cpp); 966 if (sym_tbl == NULL) { 967 PMD_INIT_LOG(ERR, "Something is wrong with the firmware" 968 " symbol table"); 969 ret = -EIO; 970 goto eth_table_cleanup; 971 } 972 973 /* Read the app ID of the firmware loaded */ 974 app_fw_id = nfp_rtsym_read_le(sym_tbl, "_pf0_net_app_id", &err); 975 if (err != 0) { 976 PMD_INIT_LOG(ERR, "Couldn't read app_fw_id from fw"); 977 ret = -EIO; 978 goto sym_tbl_cleanup; 979 } 980 981 /* Allocate memory for the PF "device" */ 982 snprintf(name, sizeof(name), "nfp_pf%d", 0); 983 pf_dev = rte_zmalloc(name, sizeof(*pf_dev), 0); 984 if (pf_dev == NULL) { 985 ret = -ENOMEM; 986 goto sym_tbl_cleanup; 987 } 988 989 /* Populate the newly created PF device */ 990 pf_dev->app_fw_id = app_fw_id; 991 pf_dev->cpp = cpp; 992 pf_dev->hwinfo = hwinfo; 993 pf_dev->sym_tbl = sym_tbl; 994 pf_dev->pci_dev = pci_dev; 995 pf_dev->nfp_eth_table = nfp_eth_table; 996 997 /* configure access to tx/rx vNIC BARs */ 998 switch (pci_dev->id.device_id) { 999 case PCI_DEVICE_ID_NFP3800_PF_NIC: 1000 addr = NFP_PCIE_QUEUE(NFP_PCIE_QCP_NFP3800_OFFSET, 1001 0, NFP_PCIE_QUEUE_NFP3800_MASK); 1002 break; 1003 case PCI_DEVICE_ID_NFP4000_PF_NIC: 1004 case PCI_DEVICE_ID_NFP6000_PF_NIC: 1005 addr = NFP_PCIE_QUEUE(NFP_PCIE_QCP_NFP6000_OFFSET, 1006 0, NFP_PCIE_QUEUE_NFP6000_MASK); 1007 break; 1008 default: 1009 PMD_INIT_LOG(ERR, "nfp_net: no device ID matching"); 1010 ret = -ENODEV; 1011 goto pf_cleanup; 1012 } 1013 1014 pf_dev->hw_queues = nfp_cpp_map_area(pf_dev->cpp, 0, 0, 1015 addr, NFP_QCP_QUEUE_AREA_SZ, 1016 &pf_dev->hwqueues_area); 1017 if (pf_dev->hw_queues == NULL) { 1018 PMD_INIT_LOG(ERR, "nfp_rtsym_map fails for net.qc"); 1019 ret = -EIO; 1020 goto pf_cleanup; 1021 } 1022 1023 PMD_INIT_LOG(DEBUG, "tx/rx bar address: 0x%p", pf_dev->hw_queues); 1024 1025 /* 1026 * PF initialization has been done at this point. Call app specific 1027 * init code now 1028 */ 1029 switch (pf_dev->app_fw_id) { 1030 case NFP_APP_FW_CORE_NIC: 1031 PMD_INIT_LOG(INFO, "Initializing coreNIC"); 1032 ret = nfp_init_app_fw_nic(pf_dev); 1033 if (ret != 0) { 1034 PMD_INIT_LOG(ERR, "Could not initialize coreNIC!"); 1035 goto hwqueues_cleanup; 1036 } 1037 break; 1038 case NFP_APP_FW_FLOWER_NIC: 1039 PMD_INIT_LOG(INFO, "Initializing Flower"); 1040 ret = nfp_init_app_fw_flower(pf_dev); 1041 if (ret != 0) { 1042 PMD_INIT_LOG(ERR, "Could not initialize Flower!"); 1043 goto hwqueues_cleanup; 1044 } 1045 break; 1046 default: 1047 PMD_INIT_LOG(ERR, "Unsupported Firmware loaded"); 1048 ret = -EINVAL; 1049 goto hwqueues_cleanup; 1050 } 1051 1052 /* register the CPP bridge service here for primary use */ 1053 ret = nfp_enable_cpp_service(pf_dev); 1054 if (ret != 0) 1055 PMD_INIT_LOG(INFO, "Enable cpp service failed."); 1056 1057 return 0; 1058 1059 hwqueues_cleanup: 1060 nfp_cpp_area_free(pf_dev->hwqueues_area); 1061 pf_cleanup: 1062 rte_free(pf_dev); 1063 sym_tbl_cleanup: 1064 free(sym_tbl); 1065 eth_table_cleanup: 1066 free(nfp_eth_table); 1067 hwinfo_cleanup: 1068 free(hwinfo); 1069 cpp_cleanup: 1070 nfp_cpp_free(cpp); 1071 1072 return ret; 1073 } 1074 1075 static int 1076 nfp_secondary_init_app_fw_nic(struct rte_pci_device *pci_dev, 1077 struct nfp_rtsym_table *sym_tbl, 1078 struct nfp_cpp *cpp) 1079 { 1080 int i; 1081 int err = 0; 1082 int ret = 0; 1083 int total_vnics; 1084 struct nfp_net_hw *hw; 1085 1086 /* Read the number of vNIC's created for the PF */ 1087 total_vnics = nfp_rtsym_read_le(sym_tbl, "nfd_cfg_pf0_num_ports", &err); 1088 if (err != 0 || total_vnics <= 0 || total_vnics > 8) { 1089 PMD_INIT_LOG(ERR, "nfd_cfg_pf0_num_ports symbol with wrong value"); 1090 return -ENODEV; 1091 } 1092 1093 for (i = 0; i < total_vnics; i++) { 1094 struct rte_eth_dev *eth_dev; 1095 char port_name[RTE_ETH_NAME_MAX_LEN]; 1096 snprintf(port_name, sizeof(port_name), "%s_port%d", 1097 pci_dev->device.name, i); 1098 1099 PMD_INIT_LOG(DEBUG, "Secondary attaching to port %s", port_name); 1100 eth_dev = rte_eth_dev_attach_secondary(port_name); 1101 if (eth_dev == NULL) { 1102 PMD_INIT_LOG(ERR, "Secondary process attach to port %s failed", port_name); 1103 ret = -ENODEV; 1104 break; 1105 } 1106 1107 eth_dev->process_private = cpp; 1108 hw = NFP_NET_DEV_PRIVATE_TO_HW(eth_dev->data->dev_private); 1109 if (nfp_net_ethdev_ops_mount(hw, eth_dev)) 1110 return -EINVAL; 1111 1112 rte_eth_dev_probing_finish(eth_dev); 1113 } 1114 1115 return ret; 1116 } 1117 1118 /* 1119 * When attaching to the NFP4000/6000 PF on a secondary process there 1120 * is no need to initialise the PF again. Only minimal work is required 1121 * here 1122 */ 1123 static int 1124 nfp_pf_secondary_init(struct rte_pci_device *pci_dev) 1125 { 1126 int err = 0; 1127 int ret = 0; 1128 struct nfp_cpp *cpp; 1129 enum nfp_app_fw_id app_fw_id; 1130 struct nfp_rtsym_table *sym_tbl; 1131 1132 if (pci_dev == NULL) 1133 return -ENODEV; 1134 1135 /* 1136 * When device bound to UIO, the device could be used, by mistake, 1137 * by two DPDK apps, and the UIO driver does not avoid it. This 1138 * could lead to a serious problem when configuring the NFP CPP 1139 * interface. Here we avoid this telling to the CPP init code to 1140 * use a lock file if UIO is being used. 1141 */ 1142 if (pci_dev->kdrv == RTE_PCI_KDRV_VFIO) 1143 cpp = nfp_cpp_from_device_name(pci_dev, 0); 1144 else 1145 cpp = nfp_cpp_from_device_name(pci_dev, 1); 1146 1147 if (cpp == NULL) { 1148 PMD_INIT_LOG(ERR, "A CPP handle can not be obtained"); 1149 return -EIO; 1150 } 1151 1152 /* 1153 * We don't have access to the PF created in the primary process 1154 * here so we have to read the number of ports from firmware 1155 */ 1156 sym_tbl = nfp_rtsym_table_read(cpp); 1157 if (sym_tbl == NULL) { 1158 PMD_INIT_LOG(ERR, "Something is wrong with the firmware" 1159 " symbol table"); 1160 return -EIO; 1161 } 1162 1163 /* Read the app ID of the firmware loaded */ 1164 app_fw_id = nfp_rtsym_read_le(sym_tbl, "_pf0_net_app_id", &err); 1165 if (err != 0) { 1166 PMD_INIT_LOG(ERR, "Couldn't read app_fw_id from fw"); 1167 goto sym_tbl_cleanup; 1168 } 1169 1170 switch (app_fw_id) { 1171 case NFP_APP_FW_CORE_NIC: 1172 PMD_INIT_LOG(INFO, "Initializing coreNIC"); 1173 ret = nfp_secondary_init_app_fw_nic(pci_dev, sym_tbl, cpp); 1174 if (ret != 0) { 1175 PMD_INIT_LOG(ERR, "Could not initialize coreNIC!"); 1176 goto sym_tbl_cleanup; 1177 } 1178 break; 1179 case NFP_APP_FW_FLOWER_NIC: 1180 PMD_INIT_LOG(INFO, "Initializing Flower"); 1181 ret = nfp_secondary_init_app_fw_flower(cpp); 1182 if (ret != 0) { 1183 PMD_INIT_LOG(ERR, "Could not initialize Flower!"); 1184 goto sym_tbl_cleanup; 1185 } 1186 break; 1187 default: 1188 PMD_INIT_LOG(ERR, "Unsupported Firmware loaded"); 1189 ret = -EINVAL; 1190 goto sym_tbl_cleanup; 1191 } 1192 1193 sym_tbl_cleanup: 1194 free(sym_tbl); 1195 1196 return ret; 1197 } 1198 1199 static int 1200 nfp_pf_pci_probe(struct rte_pci_driver *pci_drv __rte_unused, 1201 struct rte_pci_device *dev) 1202 { 1203 if (rte_eal_process_type() == RTE_PROC_PRIMARY) 1204 return nfp_pf_init(dev); 1205 else 1206 return nfp_pf_secondary_init(dev); 1207 } 1208 1209 static const struct rte_pci_id pci_id_nfp_pf_net_map[] = { 1210 { 1211 RTE_PCI_DEVICE(PCI_VENDOR_ID_NETRONOME, 1212 PCI_DEVICE_ID_NFP3800_PF_NIC) 1213 }, 1214 { 1215 RTE_PCI_DEVICE(PCI_VENDOR_ID_NETRONOME, 1216 PCI_DEVICE_ID_NFP4000_PF_NIC) 1217 }, 1218 { 1219 RTE_PCI_DEVICE(PCI_VENDOR_ID_NETRONOME, 1220 PCI_DEVICE_ID_NFP6000_PF_NIC) 1221 }, 1222 { 1223 RTE_PCI_DEVICE(PCI_VENDOR_ID_CORIGINE, 1224 PCI_DEVICE_ID_NFP3800_PF_NIC) 1225 }, 1226 { 1227 RTE_PCI_DEVICE(PCI_VENDOR_ID_CORIGINE, 1228 PCI_DEVICE_ID_NFP4000_PF_NIC) 1229 }, 1230 { 1231 RTE_PCI_DEVICE(PCI_VENDOR_ID_CORIGINE, 1232 PCI_DEVICE_ID_NFP6000_PF_NIC) 1233 }, 1234 { 1235 .vendor_id = 0, 1236 }, 1237 }; 1238 1239 static int 1240 nfp_pci_uninit(struct rte_eth_dev *eth_dev) 1241 { 1242 struct rte_pci_device *pci_dev; 1243 uint16_t port_id; 1244 1245 pci_dev = RTE_ETH_DEV_TO_PCI(eth_dev); 1246 1247 /* Free up all physical ports under PF */ 1248 RTE_ETH_FOREACH_DEV_OF(port_id, &pci_dev->device) 1249 rte_eth_dev_close(port_id); 1250 /* 1251 * Ports can be closed and freed but hotplugging is not 1252 * currently supported 1253 */ 1254 return -ENOTSUP; 1255 } 1256 1257 static int 1258 eth_nfp_pci_remove(struct rte_pci_device *pci_dev) 1259 { 1260 return rte_eth_dev_pci_generic_remove(pci_dev, nfp_pci_uninit); 1261 } 1262 1263 static struct rte_pci_driver rte_nfp_net_pf_pmd = { 1264 .id_table = pci_id_nfp_pf_net_map, 1265 .drv_flags = RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_INTR_LSC, 1266 .probe = nfp_pf_pci_probe, 1267 .remove = eth_nfp_pci_remove, 1268 }; 1269 1270 RTE_PMD_REGISTER_PCI(net_nfp_pf, rte_nfp_net_pf_pmd); 1271 RTE_PMD_REGISTER_PCI_TABLE(net_nfp_pf, pci_id_nfp_pf_net_map); 1272 RTE_PMD_REGISTER_KMOD_DEP(net_nfp_pf, "* igb_uio | uio_pci_generic | vfio"); 1273 /* 1274 * Local variables: 1275 * c-file-style: "Linux" 1276 * indent-tabs-mode: t 1277 * End: 1278 */ 1279