1 /* SPDX-License-Identifier: BSD-3-Clause 2 * Copyright (c) 2015-2018 Atomic Rules LLC 3 */ 4 5 #include <unistd.h> 6 #include <sys/stat.h> 7 #include <dlfcn.h> 8 9 #include <rte_bus_pci.h> 10 #include <rte_ethdev_pci.h> 11 #include <rte_kvargs.h> 12 13 #include "ark_global.h" 14 #include "ark_logs.h" 15 #include "ark_ethdev_tx.h" 16 #include "ark_ethdev_rx.h" 17 #include "ark_mpu.h" 18 #include "ark_ddm.h" 19 #include "ark_udm.h" 20 #include "ark_rqp.h" 21 #include "ark_pktdir.h" 22 #include "ark_pktgen.h" 23 #include "ark_pktchkr.h" 24 25 /* Internal prototypes */ 26 static int eth_ark_check_args(struct ark_adapter *ark, const char *params); 27 static int eth_ark_dev_init(struct rte_eth_dev *dev); 28 static int ark_config_device(struct rte_eth_dev *dev); 29 static int eth_ark_dev_uninit(struct rte_eth_dev *eth_dev); 30 static int eth_ark_dev_configure(struct rte_eth_dev *dev); 31 static int eth_ark_dev_start(struct rte_eth_dev *dev); 32 static void eth_ark_dev_stop(struct rte_eth_dev *dev); 33 static void eth_ark_dev_close(struct rte_eth_dev *dev); 34 static void eth_ark_dev_info_get(struct rte_eth_dev *dev, 35 struct rte_eth_dev_info *dev_info); 36 static int eth_ark_dev_link_update(struct rte_eth_dev *dev, 37 int wait_to_complete); 38 static int eth_ark_dev_set_link_up(struct rte_eth_dev *dev); 39 static int eth_ark_dev_set_link_down(struct rte_eth_dev *dev); 40 static int eth_ark_dev_stats_get(struct rte_eth_dev *dev, 41 struct rte_eth_stats *stats); 42 static void eth_ark_dev_stats_reset(struct rte_eth_dev *dev); 43 static int eth_ark_set_default_mac_addr(struct rte_eth_dev *dev, 44 struct ether_addr *mac_addr); 45 static int eth_ark_macaddr_add(struct rte_eth_dev *dev, 46 struct ether_addr *mac_addr, 47 uint32_t index, 48 uint32_t pool); 49 static void eth_ark_macaddr_remove(struct rte_eth_dev *dev, 50 uint32_t index); 51 static int eth_ark_set_mtu(struct rte_eth_dev *dev, uint16_t size); 52 53 /* 54 * The packet generator is a functional block used to generate packet 55 * patterns for testing. It is not intended for nominal use. 56 */ 57 #define ARK_PKTGEN_ARG "Pkt_gen" 58 59 /* 60 * The packet checker is a functional block used to verify packet 61 * patterns for testing. It is not intended for nominal use. 62 */ 63 #define ARK_PKTCHKR_ARG "Pkt_chkr" 64 65 /* 66 * The packet director is used to select the internal ingress and 67 * egress packets paths during testing. It is not intended for 68 * nominal use. 69 */ 70 #define ARK_PKTDIR_ARG "Pkt_dir" 71 72 /* Devinfo configurations */ 73 #define ARK_RX_MAX_QUEUE (4096 * 4) 74 #define ARK_RX_MIN_QUEUE (512) 75 #define ARK_RX_MAX_PKT_LEN ((16 * 1024) - 128) 76 #define ARK_RX_MIN_BUFSIZE (1024) 77 78 #define ARK_TX_MAX_QUEUE (4096 * 4) 79 #define ARK_TX_MIN_QUEUE (256) 80 81 static const char * const valid_arguments[] = { 82 ARK_PKTGEN_ARG, 83 ARK_PKTCHKR_ARG, 84 ARK_PKTDIR_ARG, 85 NULL 86 }; 87 88 static const struct rte_pci_id pci_id_ark_map[] = { 89 {RTE_PCI_DEVICE(0x1d6c, 0x100d)}, 90 {RTE_PCI_DEVICE(0x1d6c, 0x100e)}, 91 {.vendor_id = 0, /* sentinel */ }, 92 }; 93 94 static int 95 eth_ark_pci_probe(struct rte_pci_driver *pci_drv __rte_unused, 96 struct rte_pci_device *pci_dev) 97 { 98 struct rte_eth_dev *eth_dev; 99 int ret; 100 101 eth_dev = rte_eth_dev_pci_allocate(pci_dev, sizeof(struct ark_adapter)); 102 103 if (eth_dev == NULL) 104 return -ENOMEM; 105 106 ret = eth_ark_dev_init(eth_dev); 107 if (ret) 108 rte_eth_dev_pci_release(eth_dev); 109 110 return ret; 111 } 112 113 static int 114 eth_ark_pci_remove(struct rte_pci_device *pci_dev) 115 { 116 return rte_eth_dev_pci_generic_remove(pci_dev, eth_ark_dev_uninit); 117 } 118 119 static struct rte_pci_driver rte_ark_pmd = { 120 .id_table = pci_id_ark_map, 121 .drv_flags = RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_INTR_LSC, 122 .probe = eth_ark_pci_probe, 123 .remove = eth_ark_pci_remove, 124 }; 125 126 static const struct eth_dev_ops ark_eth_dev_ops = { 127 .dev_configure = eth_ark_dev_configure, 128 .dev_start = eth_ark_dev_start, 129 .dev_stop = eth_ark_dev_stop, 130 .dev_close = eth_ark_dev_close, 131 132 .dev_infos_get = eth_ark_dev_info_get, 133 134 .rx_queue_setup = eth_ark_dev_rx_queue_setup, 135 .rx_queue_count = eth_ark_dev_rx_queue_count, 136 .tx_queue_setup = eth_ark_tx_queue_setup, 137 138 .link_update = eth_ark_dev_link_update, 139 .dev_set_link_up = eth_ark_dev_set_link_up, 140 .dev_set_link_down = eth_ark_dev_set_link_down, 141 142 .rx_queue_start = eth_ark_rx_start_queue, 143 .rx_queue_stop = eth_ark_rx_stop_queue, 144 145 .tx_queue_start = eth_ark_tx_queue_start, 146 .tx_queue_stop = eth_ark_tx_queue_stop, 147 148 .stats_get = eth_ark_dev_stats_get, 149 .stats_reset = eth_ark_dev_stats_reset, 150 151 .mac_addr_add = eth_ark_macaddr_add, 152 .mac_addr_remove = eth_ark_macaddr_remove, 153 .mac_addr_set = eth_ark_set_default_mac_addr, 154 155 .mtu_set = eth_ark_set_mtu, 156 }; 157 158 static int 159 check_for_ext(struct ark_adapter *ark) 160 { 161 int found = 0; 162 163 /* Get the env */ 164 const char *dllpath = getenv("ARK_EXT_PATH"); 165 166 if (dllpath == NULL) { 167 PMD_DEBUG_LOG(DEBUG, "ARK EXT NO dll path specified\n"); 168 return 0; 169 } 170 PMD_DRV_LOG(INFO, "ARK EXT found dll path at %s\n", dllpath); 171 172 /* Open and load the .so */ 173 ark->d_handle = dlopen(dllpath, RTLD_LOCAL | RTLD_LAZY); 174 if (ark->d_handle == NULL) { 175 PMD_DRV_LOG(ERR, "Could not load user extension %s\n", 176 dllpath); 177 return -1; 178 } 179 PMD_DRV_LOG(INFO, "SUCCESS: loaded user extension %s\n", 180 dllpath); 181 182 /* Get the entry points */ 183 ark->user_ext.dev_init = 184 (void *(*)(struct rte_eth_dev *, void *, int)) 185 dlsym(ark->d_handle, "dev_init"); 186 PMD_DEBUG_LOG(DEBUG, "device ext init pointer = %p\n", 187 ark->user_ext.dev_init); 188 ark->user_ext.dev_get_port_count = 189 (int (*)(struct rte_eth_dev *, void *)) 190 dlsym(ark->d_handle, "dev_get_port_count"); 191 ark->user_ext.dev_uninit = 192 (void (*)(struct rte_eth_dev *, void *)) 193 dlsym(ark->d_handle, "dev_uninit"); 194 ark->user_ext.dev_configure = 195 (int (*)(struct rte_eth_dev *, void *)) 196 dlsym(ark->d_handle, "dev_configure"); 197 ark->user_ext.dev_start = 198 (int (*)(struct rte_eth_dev *, void *)) 199 dlsym(ark->d_handle, "dev_start"); 200 ark->user_ext.dev_stop = 201 (void (*)(struct rte_eth_dev *, void *)) 202 dlsym(ark->d_handle, "dev_stop"); 203 ark->user_ext.dev_close = 204 (void (*)(struct rte_eth_dev *, void *)) 205 dlsym(ark->d_handle, "dev_close"); 206 ark->user_ext.link_update = 207 (int (*)(struct rte_eth_dev *, int, void *)) 208 dlsym(ark->d_handle, "link_update"); 209 ark->user_ext.dev_set_link_up = 210 (int (*)(struct rte_eth_dev *, void *)) 211 dlsym(ark->d_handle, "dev_set_link_up"); 212 ark->user_ext.dev_set_link_down = 213 (int (*)(struct rte_eth_dev *, void *)) 214 dlsym(ark->d_handle, "dev_set_link_down"); 215 ark->user_ext.stats_get = 216 (int (*)(struct rte_eth_dev *, struct rte_eth_stats *, 217 void *)) 218 dlsym(ark->d_handle, "stats_get"); 219 ark->user_ext.stats_reset = 220 (void (*)(struct rte_eth_dev *, void *)) 221 dlsym(ark->d_handle, "stats_reset"); 222 ark->user_ext.mac_addr_add = 223 (void (*)(struct rte_eth_dev *, struct ether_addr *, uint32_t, 224 uint32_t, void *)) 225 dlsym(ark->d_handle, "mac_addr_add"); 226 ark->user_ext.mac_addr_remove = 227 (void (*)(struct rte_eth_dev *, uint32_t, void *)) 228 dlsym(ark->d_handle, "mac_addr_remove"); 229 ark->user_ext.mac_addr_set = 230 (void (*)(struct rte_eth_dev *, struct ether_addr *, 231 void *)) 232 dlsym(ark->d_handle, "mac_addr_set"); 233 ark->user_ext.set_mtu = 234 (int (*)(struct rte_eth_dev *, uint16_t, 235 void *)) 236 dlsym(ark->d_handle, "set_mtu"); 237 238 return found; 239 } 240 241 static int 242 eth_ark_dev_init(struct rte_eth_dev *dev) 243 { 244 struct ark_adapter *ark = dev->data->dev_private; 245 struct rte_pci_device *pci_dev; 246 int ret; 247 int port_count = 1; 248 int p; 249 250 ark->eth_dev = dev; 251 252 PMD_FUNC_LOG(DEBUG, "\n"); 253 254 /* Check to see if there is an extension that we need to load */ 255 ret = check_for_ext(ark); 256 if (ret) 257 return ret; 258 pci_dev = RTE_ETH_DEV_TO_PCI(dev); 259 rte_eth_copy_pci_info(dev, pci_dev); 260 261 /* Use dummy function until setup */ 262 dev->rx_pkt_burst = ð_ark_recv_pkts_noop; 263 dev->tx_pkt_burst = ð_ark_xmit_pkts_noop; 264 265 ark->bar0 = (uint8_t *)pci_dev->mem_resource[0].addr; 266 ark->a_bar = (uint8_t *)pci_dev->mem_resource[2].addr; 267 268 ark->sysctrl.v = (void *)&ark->bar0[ARK_SYSCTRL_BASE]; 269 ark->mpurx.v = (void *)&ark->bar0[ARK_MPU_RX_BASE]; 270 ark->udm.v = (void *)&ark->bar0[ARK_UDM_BASE]; 271 ark->mputx.v = (void *)&ark->bar0[ARK_MPU_TX_BASE]; 272 ark->ddm.v = (void *)&ark->bar0[ARK_DDM_BASE]; 273 ark->cmac.v = (void *)&ark->bar0[ARK_CMAC_BASE]; 274 ark->external.v = (void *)&ark->bar0[ARK_EXTERNAL_BASE]; 275 ark->pktdir.v = (void *)&ark->bar0[ARK_PKTDIR_BASE]; 276 ark->pktgen.v = (void *)&ark->bar0[ARK_PKTGEN_BASE]; 277 ark->pktchkr.v = (void *)&ark->bar0[ARK_PKTCHKR_BASE]; 278 279 ark->rqpacing = 280 (struct ark_rqpace_t *)(ark->bar0 + ARK_RCPACING_BASE); 281 ark->started = 0; 282 283 PMD_DEBUG_LOG(INFO, "Sys Ctrl Const = 0x%x HW Commit_ID: %08x\n", 284 ark->sysctrl.t32[4], 285 rte_be_to_cpu_32(ark->sysctrl.t32[0x20 / 4])); 286 PMD_DRV_LOG(INFO, "Arkville HW Commit_ID: %08x\n", 287 rte_be_to_cpu_32(ark->sysctrl.t32[0x20 / 4])); 288 289 /* If HW sanity test fails, return an error */ 290 if (ark->sysctrl.t32[4] != 0xcafef00d) { 291 PMD_DRV_LOG(ERR, 292 "HW Sanity test has failed, expected constant" 293 " 0x%x, read 0x%x (%s)\n", 294 0xcafef00d, 295 ark->sysctrl.t32[4], __func__); 296 return -1; 297 } 298 if (ark->sysctrl.t32[3] != 0) { 299 if (ark_rqp_lasped(ark->rqpacing)) { 300 PMD_DRV_LOG(ERR, "Arkville Evaluation System - " 301 "Timer has Expired\n"); 302 return -1; 303 } 304 PMD_DRV_LOG(WARNING, "Arkville Evaluation System - " 305 "Timer is Running\n"); 306 } 307 308 PMD_DRV_LOG(INFO, 309 "HW Sanity test has PASSED, expected constant" 310 " 0x%x, read 0x%x (%s)\n", 311 0xcafef00d, ark->sysctrl.t32[4], __func__); 312 313 /* We are a single function multi-port device. */ 314 ret = ark_config_device(dev); 315 if (ret) 316 return -1; 317 318 dev->dev_ops = &ark_eth_dev_ops; 319 320 dev->data->mac_addrs = rte_zmalloc("ark", ETHER_ADDR_LEN, 0); 321 if (!dev->data->mac_addrs) { 322 PMD_DRV_LOG(ERR, 323 "Failed to allocated memory for storing mac address" 324 ); 325 } 326 327 if (ark->user_ext.dev_init) { 328 ark->user_data[dev->data->port_id] = 329 ark->user_ext.dev_init(dev, ark->a_bar, 0); 330 if (!ark->user_data[dev->data->port_id]) { 331 PMD_DRV_LOG(INFO, 332 "Failed to initialize PMD extension!" 333 " continuing without it\n"); 334 memset(&ark->user_ext, 0, sizeof(struct ark_user_ext)); 335 dlclose(ark->d_handle); 336 } 337 } 338 339 if (pci_dev->device.devargs) 340 ret = eth_ark_check_args(ark, pci_dev->device.devargs->args); 341 else 342 PMD_DRV_LOG(INFO, "No Device args found\n"); 343 344 if (ret) 345 goto error; 346 /* 347 * We will create additional devices based on the number of requested 348 * ports 349 */ 350 if (ark->user_ext.dev_get_port_count) 351 port_count = 352 ark->user_ext.dev_get_port_count(dev, 353 ark->user_data[dev->data->port_id]); 354 ark->num_ports = port_count; 355 356 for (p = 0; p < port_count; p++) { 357 struct rte_eth_dev *eth_dev; 358 char name[RTE_ETH_NAME_MAX_LEN]; 359 360 snprintf(name, sizeof(name), "arketh%d", 361 dev->data->port_id + p); 362 363 if (p == 0) { 364 /* First port is already allocated by DPDK */ 365 eth_dev = ark->eth_dev; 366 rte_eth_dev_probing_finish(eth_dev); 367 continue; 368 } 369 370 /* reserve an ethdev entry */ 371 eth_dev = rte_eth_dev_allocate(name); 372 if (!eth_dev) { 373 PMD_DRV_LOG(ERR, 374 "Could not allocate eth_dev for port %d\n", 375 p); 376 goto error; 377 } 378 379 eth_dev->device = &pci_dev->device; 380 eth_dev->data->dev_private = ark; 381 eth_dev->dev_ops = ark->eth_dev->dev_ops; 382 eth_dev->tx_pkt_burst = ark->eth_dev->tx_pkt_burst; 383 eth_dev->rx_pkt_burst = ark->eth_dev->rx_pkt_burst; 384 385 rte_eth_copy_pci_info(eth_dev, pci_dev); 386 387 eth_dev->data->mac_addrs = rte_zmalloc(name, ETHER_ADDR_LEN, 0); 388 if (!eth_dev->data->mac_addrs) { 389 PMD_DRV_LOG(ERR, 390 "Memory allocation for MAC failed!" 391 " Exiting.\n"); 392 goto error; 393 } 394 395 if (ark->user_ext.dev_init) { 396 ark->user_data[eth_dev->data->port_id] = 397 ark->user_ext.dev_init(dev, ark->a_bar, p); 398 } 399 400 rte_eth_dev_probing_finish(eth_dev); 401 } 402 403 return ret; 404 405 error: 406 rte_free(dev->data->mac_addrs); 407 dev->data->mac_addrs = NULL; 408 return -1; 409 } 410 411 /* 412 *Initial device configuration when device is opened 413 * setup the DDM, and UDM 414 * Called once per PCIE device 415 */ 416 static int 417 ark_config_device(struct rte_eth_dev *dev) 418 { 419 struct ark_adapter *ark = dev->data->dev_private; 420 uint16_t num_q, i; 421 struct ark_mpu_t *mpu; 422 423 /* 424 * Make sure that the packet director, generator and checker are in a 425 * known state 426 */ 427 ark->start_pg = 0; 428 ark->pg = ark_pktgen_init(ark->pktgen.v, 0, 1); 429 if (ark->pg == NULL) 430 return -1; 431 ark_pktgen_reset(ark->pg); 432 ark->pc = ark_pktchkr_init(ark->pktchkr.v, 0, 1); 433 if (ark->pc == NULL) 434 return -1; 435 ark_pktchkr_stop(ark->pc); 436 ark->pd = ark_pktdir_init(ark->pktdir.v); 437 if (ark->pd == NULL) 438 return -1; 439 440 /* Verify HW */ 441 if (ark_udm_verify(ark->udm.v)) 442 return -1; 443 if (ark_ddm_verify(ark->ddm.v)) 444 return -1; 445 446 /* UDM */ 447 if (ark_udm_reset(ark->udm.v)) { 448 PMD_DRV_LOG(ERR, "Unable to stop and reset UDM\n"); 449 return -1; 450 } 451 /* Keep in reset until the MPU are cleared */ 452 453 /* MPU reset */ 454 mpu = ark->mpurx.v; 455 num_q = ark_api_num_queues(mpu); 456 ark->rx_queues = num_q; 457 for (i = 0; i < num_q; i++) { 458 ark_mpu_reset(mpu); 459 mpu = RTE_PTR_ADD(mpu, ARK_MPU_QOFFSET); 460 } 461 462 ark_udm_stop(ark->udm.v, 0); 463 ark_udm_configure(ark->udm.v, 464 RTE_PKTMBUF_HEADROOM, 465 RTE_MBUF_DEFAULT_DATAROOM, 466 ARK_RX_WRITE_TIME_NS); 467 ark_udm_stats_reset(ark->udm.v); 468 ark_udm_stop(ark->udm.v, 0); 469 470 /* TX -- DDM */ 471 if (ark_ddm_stop(ark->ddm.v, 1)) 472 PMD_DRV_LOG(ERR, "Unable to stop DDM\n"); 473 474 mpu = ark->mputx.v; 475 num_q = ark_api_num_queues(mpu); 476 ark->tx_queues = num_q; 477 for (i = 0; i < num_q; i++) { 478 ark_mpu_reset(mpu); 479 mpu = RTE_PTR_ADD(mpu, ARK_MPU_QOFFSET); 480 } 481 482 ark_ddm_reset(ark->ddm.v); 483 ark_ddm_stats_reset(ark->ddm.v); 484 485 ark_ddm_stop(ark->ddm.v, 0); 486 ark_rqp_stats_reset(ark->rqpacing); 487 488 return 0; 489 } 490 491 static int 492 eth_ark_dev_uninit(struct rte_eth_dev *dev) 493 { 494 struct ark_adapter *ark = dev->data->dev_private; 495 496 if (rte_eal_process_type() != RTE_PROC_PRIMARY) 497 return 0; 498 499 if (ark->user_ext.dev_uninit) 500 ark->user_ext.dev_uninit(dev, 501 ark->user_data[dev->data->port_id]); 502 503 ark_pktgen_uninit(ark->pg); 504 ark_pktchkr_uninit(ark->pc); 505 506 dev->dev_ops = NULL; 507 dev->rx_pkt_burst = NULL; 508 dev->tx_pkt_burst = NULL; 509 return 0; 510 } 511 512 static int 513 eth_ark_dev_configure(struct rte_eth_dev *dev) 514 { 515 PMD_FUNC_LOG(DEBUG, "\n"); 516 struct ark_adapter *ark = dev->data->dev_private; 517 518 eth_ark_dev_set_link_up(dev); 519 if (ark->user_ext.dev_configure) 520 return ark->user_ext.dev_configure(dev, 521 ark->user_data[dev->data->port_id]); 522 return 0; 523 } 524 525 static void * 526 delay_pg_start(void *arg) 527 { 528 struct ark_adapter *ark = (struct ark_adapter *)arg; 529 530 /* This function is used exclusively for regression testing, We 531 * perform a blind sleep here to ensure that the external test 532 * application has time to setup the test before we generate packets 533 */ 534 usleep(100000); 535 ark_pktgen_run(ark->pg); 536 return NULL; 537 } 538 539 static int 540 eth_ark_dev_start(struct rte_eth_dev *dev) 541 { 542 struct ark_adapter *ark = dev->data->dev_private; 543 int i; 544 545 PMD_FUNC_LOG(DEBUG, "\n"); 546 547 /* RX Side */ 548 /* start UDM */ 549 ark_udm_start(ark->udm.v); 550 551 for (i = 0; i < dev->data->nb_rx_queues; i++) 552 eth_ark_rx_start_queue(dev, i); 553 554 /* TX Side */ 555 for (i = 0; i < dev->data->nb_tx_queues; i++) 556 eth_ark_tx_queue_start(dev, i); 557 558 /* start DDM */ 559 ark_ddm_start(ark->ddm.v); 560 561 ark->started = 1; 562 /* set xmit and receive function */ 563 dev->rx_pkt_burst = ð_ark_recv_pkts; 564 dev->tx_pkt_burst = ð_ark_xmit_pkts; 565 566 if (ark->start_pg) 567 ark_pktchkr_run(ark->pc); 568 569 if (ark->start_pg && (dev->data->port_id == 0)) { 570 pthread_t thread; 571 572 /* Delay packet generatpr start allow the hardware to be ready 573 * This is only used for sanity checking with internal generator 574 */ 575 if (pthread_create(&thread, NULL, delay_pg_start, ark)) { 576 PMD_DRV_LOG(ERR, "Could not create pktgen " 577 "starter thread\n"); 578 return -1; 579 } 580 } 581 582 if (ark->user_ext.dev_start) 583 ark->user_ext.dev_start(dev, 584 ark->user_data[dev->data->port_id]); 585 586 return 0; 587 } 588 589 static void 590 eth_ark_dev_stop(struct rte_eth_dev *dev) 591 { 592 uint16_t i; 593 int status; 594 struct ark_adapter *ark = dev->data->dev_private; 595 struct ark_mpu_t *mpu; 596 597 PMD_FUNC_LOG(DEBUG, "\n"); 598 599 if (ark->started == 0) 600 return; 601 ark->started = 0; 602 603 /* Stop the extension first */ 604 if (ark->user_ext.dev_stop) 605 ark->user_ext.dev_stop(dev, 606 ark->user_data[dev->data->port_id]); 607 608 /* Stop the packet generator */ 609 if (ark->start_pg) 610 ark_pktgen_pause(ark->pg); 611 612 dev->rx_pkt_burst = ð_ark_recv_pkts_noop; 613 dev->tx_pkt_burst = ð_ark_xmit_pkts_noop; 614 615 /* STOP TX Side */ 616 for (i = 0; i < dev->data->nb_tx_queues; i++) { 617 status = eth_ark_tx_queue_stop(dev, i); 618 if (status != 0) { 619 uint16_t port = dev->data->port_id; 620 PMD_DRV_LOG(ERR, 621 "tx_queue stop anomaly" 622 " port %u, queue %u\n", 623 port, i); 624 } 625 } 626 627 /* Stop DDM */ 628 /* Wait up to 0.1 second. each stop is up to 1000 * 10 useconds */ 629 for (i = 0; i < 10; i++) { 630 status = ark_ddm_stop(ark->ddm.v, 1); 631 if (status == 0) 632 break; 633 } 634 if (status || i != 0) { 635 PMD_DRV_LOG(ERR, "DDM stop anomaly. status:" 636 " %d iter: %u. (%s)\n", 637 status, 638 i, 639 __func__); 640 ark_ddm_dump(ark->ddm.v, "Stop anomaly"); 641 642 mpu = ark->mputx.v; 643 for (i = 0; i < ark->tx_queues; i++) { 644 ark_mpu_dump(mpu, "DDM failure dump", i); 645 mpu = RTE_PTR_ADD(mpu, ARK_MPU_QOFFSET); 646 } 647 } 648 649 /* STOP RX Side */ 650 /* Stop UDM multiple tries attempted */ 651 for (i = 0; i < 10; i++) { 652 status = ark_udm_stop(ark->udm.v, 1); 653 if (status == 0) 654 break; 655 } 656 if (status || i != 0) { 657 PMD_DRV_LOG(ERR, "UDM stop anomaly. status %d iter: %u. (%s)\n", 658 status, i, __func__); 659 ark_udm_dump(ark->udm.v, "Stop anomaly"); 660 661 mpu = ark->mpurx.v; 662 for (i = 0; i < ark->rx_queues; i++) { 663 ark_mpu_dump(mpu, "UDM Stop anomaly", i); 664 mpu = RTE_PTR_ADD(mpu, ARK_MPU_QOFFSET); 665 } 666 } 667 668 ark_udm_dump_stats(ark->udm.v, "Post stop"); 669 ark_udm_dump_perf(ark->udm.v, "Post stop"); 670 671 for (i = 0; i < dev->data->nb_rx_queues; i++) 672 eth_ark_rx_dump_queue(dev, i, __func__); 673 674 /* Stop the packet checker if it is running */ 675 if (ark->start_pg) { 676 ark_pktchkr_dump_stats(ark->pc); 677 ark_pktchkr_stop(ark->pc); 678 } 679 } 680 681 static void 682 eth_ark_dev_close(struct rte_eth_dev *dev) 683 { 684 struct ark_adapter *ark = dev->data->dev_private; 685 uint16_t i; 686 687 if (ark->user_ext.dev_close) 688 ark->user_ext.dev_close(dev, 689 ark->user_data[dev->data->port_id]); 690 691 eth_ark_dev_stop(dev); 692 eth_ark_udm_force_close(dev); 693 694 /* 695 * TODO This should only be called once for the device during shutdown 696 */ 697 ark_rqp_dump(ark->rqpacing); 698 699 for (i = 0; i < dev->data->nb_tx_queues; i++) { 700 eth_ark_tx_queue_release(dev->data->tx_queues[i]); 701 dev->data->tx_queues[i] = 0; 702 } 703 704 for (i = 0; i < dev->data->nb_rx_queues; i++) { 705 eth_ark_dev_rx_queue_release(dev->data->rx_queues[i]); 706 dev->data->rx_queues[i] = 0; 707 } 708 } 709 710 static void 711 eth_ark_dev_info_get(struct rte_eth_dev *dev, 712 struct rte_eth_dev_info *dev_info) 713 { 714 struct ark_adapter *ark = dev->data->dev_private; 715 struct ark_mpu_t *tx_mpu = RTE_PTR_ADD(ark->bar0, ARK_MPU_TX_BASE); 716 struct ark_mpu_t *rx_mpu = RTE_PTR_ADD(ark->bar0, ARK_MPU_RX_BASE); 717 uint16_t ports = ark->num_ports; 718 719 dev_info->max_rx_pktlen = ARK_RX_MAX_PKT_LEN; 720 dev_info->min_rx_bufsize = ARK_RX_MIN_BUFSIZE; 721 722 dev_info->max_rx_queues = ark_api_num_queues_per_port(rx_mpu, ports); 723 dev_info->max_tx_queues = ark_api_num_queues_per_port(tx_mpu, ports); 724 725 dev_info->rx_desc_lim = (struct rte_eth_desc_lim) { 726 .nb_max = ARK_RX_MAX_QUEUE, 727 .nb_min = ARK_RX_MIN_QUEUE, 728 .nb_align = ARK_RX_MIN_QUEUE}; /* power of 2 */ 729 730 dev_info->tx_desc_lim = (struct rte_eth_desc_lim) { 731 .nb_max = ARK_TX_MAX_QUEUE, 732 .nb_min = ARK_TX_MIN_QUEUE, 733 .nb_align = ARK_TX_MIN_QUEUE}; /* power of 2 */ 734 735 /* ARK PMD supports all line rates, how do we indicate that here ?? */ 736 dev_info->speed_capa = (ETH_LINK_SPEED_1G | 737 ETH_LINK_SPEED_10G | 738 ETH_LINK_SPEED_25G | 739 ETH_LINK_SPEED_40G | 740 ETH_LINK_SPEED_50G | 741 ETH_LINK_SPEED_100G); 742 } 743 744 static int 745 eth_ark_dev_link_update(struct rte_eth_dev *dev, int wait_to_complete) 746 { 747 PMD_DEBUG_LOG(DEBUG, "link status = %d\n", 748 dev->data->dev_link.link_status); 749 struct ark_adapter *ark = dev->data->dev_private; 750 751 if (ark->user_ext.link_update) { 752 return ark->user_ext.link_update 753 (dev, wait_to_complete, 754 ark->user_data[dev->data->port_id]); 755 } 756 return 0; 757 } 758 759 static int 760 eth_ark_dev_set_link_up(struct rte_eth_dev *dev) 761 { 762 dev->data->dev_link.link_status = 1; 763 struct ark_adapter *ark = dev->data->dev_private; 764 765 if (ark->user_ext.dev_set_link_up) 766 return ark->user_ext.dev_set_link_up(dev, 767 ark->user_data[dev->data->port_id]); 768 return 0; 769 } 770 771 static int 772 eth_ark_dev_set_link_down(struct rte_eth_dev *dev) 773 { 774 dev->data->dev_link.link_status = 0; 775 struct ark_adapter *ark = dev->data->dev_private; 776 777 if (ark->user_ext.dev_set_link_down) 778 return ark->user_ext.dev_set_link_down(dev, 779 ark->user_data[dev->data->port_id]); 780 return 0; 781 } 782 783 static int 784 eth_ark_dev_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats) 785 { 786 uint16_t i; 787 struct ark_adapter *ark = dev->data->dev_private; 788 789 stats->ipackets = 0; 790 stats->ibytes = 0; 791 stats->opackets = 0; 792 stats->obytes = 0; 793 stats->imissed = 0; 794 stats->oerrors = 0; 795 796 for (i = 0; i < dev->data->nb_tx_queues; i++) 797 eth_tx_queue_stats_get(dev->data->tx_queues[i], stats); 798 for (i = 0; i < dev->data->nb_rx_queues; i++) 799 eth_rx_queue_stats_get(dev->data->rx_queues[i], stats); 800 if (ark->user_ext.stats_get) 801 return ark->user_ext.stats_get(dev, stats, 802 ark->user_data[dev->data->port_id]); 803 return 0; 804 } 805 806 static void 807 eth_ark_dev_stats_reset(struct rte_eth_dev *dev) 808 { 809 uint16_t i; 810 struct ark_adapter *ark = dev->data->dev_private; 811 812 for (i = 0; i < dev->data->nb_tx_queues; i++) 813 eth_tx_queue_stats_reset(dev->data->tx_queues[i]); 814 for (i = 0; i < dev->data->nb_rx_queues; i++) 815 eth_rx_queue_stats_reset(dev->data->rx_queues[i]); 816 if (ark->user_ext.stats_reset) 817 ark->user_ext.stats_reset(dev, 818 ark->user_data[dev->data->port_id]); 819 } 820 821 static int 822 eth_ark_macaddr_add(struct rte_eth_dev *dev, 823 struct ether_addr *mac_addr, 824 uint32_t index, 825 uint32_t pool) 826 { 827 struct ark_adapter *ark = dev->data->dev_private; 828 829 if (ark->user_ext.mac_addr_add) { 830 ark->user_ext.mac_addr_add(dev, 831 mac_addr, 832 index, 833 pool, 834 ark->user_data[dev->data->port_id]); 835 return 0; 836 } 837 return -ENOTSUP; 838 } 839 840 static void 841 eth_ark_macaddr_remove(struct rte_eth_dev *dev, uint32_t index) 842 { 843 struct ark_adapter *ark = dev->data->dev_private; 844 845 if (ark->user_ext.mac_addr_remove) 846 ark->user_ext.mac_addr_remove(dev, index, 847 ark->user_data[dev->data->port_id]); 848 } 849 850 static int 851 eth_ark_set_default_mac_addr(struct rte_eth_dev *dev, 852 struct ether_addr *mac_addr) 853 { 854 struct ark_adapter *ark = dev->data->dev_private; 855 856 if (ark->user_ext.mac_addr_set) { 857 ark->user_ext.mac_addr_set(dev, mac_addr, 858 ark->user_data[dev->data->port_id]); 859 return 0; 860 } 861 return -ENOTSUP; 862 } 863 864 static int 865 eth_ark_set_mtu(struct rte_eth_dev *dev, uint16_t size) 866 { 867 struct ark_adapter *ark = dev->data->dev_private; 868 869 if (ark->user_ext.set_mtu) 870 return ark->user_ext.set_mtu(dev, size, 871 ark->user_data[dev->data->port_id]); 872 873 return -ENOTSUP; 874 } 875 876 static inline int 877 process_pktdir_arg(const char *key, const char *value, 878 void *extra_args) 879 { 880 PMD_FUNC_LOG(DEBUG, "key = %s, value = %s\n", 881 key, value); 882 struct ark_adapter *ark = 883 (struct ark_adapter *)extra_args; 884 885 ark->pkt_dir_v = strtol(value, NULL, 16); 886 PMD_FUNC_LOG(DEBUG, "pkt_dir_v = 0x%x\n", ark->pkt_dir_v); 887 return 0; 888 } 889 890 static inline int 891 process_file_args(const char *key, const char *value, void *extra_args) 892 { 893 PMD_FUNC_LOG(DEBUG, "key = %s, value = %s\n", 894 key, value); 895 char *args = (char *)extra_args; 896 897 /* Open the configuration file */ 898 FILE *file = fopen(value, "r"); 899 char line[ARK_MAX_ARG_LEN]; 900 int size = 0; 901 int first = 1; 902 903 if (file == NULL) { 904 PMD_DRV_LOG(ERR, "Unable to open " 905 "config file %s\n", value); 906 return -1; 907 } 908 909 while (fgets(line, sizeof(line), file)) { 910 size += strlen(line); 911 if (size >= ARK_MAX_ARG_LEN) { 912 PMD_DRV_LOG(ERR, "Unable to parse file %s args, " 913 "parameter list is too long\n", value); 914 fclose(file); 915 return -1; 916 } 917 if (first) { 918 strncpy(args, line, ARK_MAX_ARG_LEN); 919 first = 0; 920 } else { 921 strncat(args, line, ARK_MAX_ARG_LEN); 922 } 923 } 924 PMD_FUNC_LOG(DEBUG, "file = %s\n", args); 925 fclose(file); 926 return 0; 927 } 928 929 static int 930 eth_ark_check_args(struct ark_adapter *ark, const char *params) 931 { 932 struct rte_kvargs *kvlist; 933 unsigned int k_idx; 934 struct rte_kvargs_pair *pair = NULL; 935 int ret = -1; 936 937 kvlist = rte_kvargs_parse(params, valid_arguments); 938 if (kvlist == NULL) 939 return 0; 940 941 ark->pkt_gen_args[0] = 0; 942 ark->pkt_chkr_args[0] = 0; 943 944 for (k_idx = 0; k_idx < kvlist->count; k_idx++) { 945 pair = &kvlist->pairs[k_idx]; 946 PMD_FUNC_LOG(DEBUG, "**** Arg passed to PMD = %s:%s\n", 947 pair->key, 948 pair->value); 949 } 950 951 if (rte_kvargs_process(kvlist, 952 ARK_PKTDIR_ARG, 953 &process_pktdir_arg, 954 ark) != 0) { 955 PMD_DRV_LOG(ERR, "Unable to parse arg %s\n", ARK_PKTDIR_ARG); 956 goto free_kvlist; 957 } 958 959 if (rte_kvargs_process(kvlist, 960 ARK_PKTGEN_ARG, 961 &process_file_args, 962 ark->pkt_gen_args) != 0) { 963 PMD_DRV_LOG(ERR, "Unable to parse arg %s\n", ARK_PKTGEN_ARG); 964 goto free_kvlist; 965 } 966 967 if (rte_kvargs_process(kvlist, 968 ARK_PKTCHKR_ARG, 969 &process_file_args, 970 ark->pkt_chkr_args) != 0) { 971 PMD_DRV_LOG(ERR, "Unable to parse arg %s\n", ARK_PKTCHKR_ARG); 972 goto free_kvlist; 973 } 974 975 PMD_DRV_LOG(INFO, "packet director set to 0x%x\n", ark->pkt_dir_v); 976 /* Setup the packet director */ 977 ark_pktdir_setup(ark->pd, ark->pkt_dir_v); 978 979 /* Setup the packet generator */ 980 if (ark->pkt_gen_args[0]) { 981 PMD_DRV_LOG(INFO, "Setting up the packet generator\n"); 982 ark_pktgen_parse(ark->pkt_gen_args); 983 ark_pktgen_reset(ark->pg); 984 ark_pktgen_setup(ark->pg); 985 ark->start_pg = 1; 986 } 987 988 /* Setup the packet checker */ 989 if (ark->pkt_chkr_args[0]) { 990 ark_pktchkr_parse(ark->pkt_chkr_args); 991 ark_pktchkr_setup(ark->pc); 992 } 993 994 ret = 0; 995 996 free_kvlist: 997 rte_kvargs_free(kvlist); 998 999 return ret; 1000 } 1001 1002 RTE_PMD_REGISTER_PCI(net_ark, rte_ark_pmd); 1003 RTE_PMD_REGISTER_KMOD_DEP(net_ark, "* igb_uio | uio_pci_generic "); 1004 RTE_PMD_REGISTER_PCI_TABLE(net_ark, pci_id_ark_map); 1005 RTE_PMD_REGISTER_PARAM_STRING(net_ark, 1006 ARK_PKTGEN_ARG "=<filename> " 1007 ARK_PKTCHKR_ARG "=<filename> " 1008 ARK_PKTDIR_ARG "=<bitmap>"); 1009