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 int eth_ark_dev_close(struct rte_eth_dev *dev); 34 static int 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 int 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 rte_ether_addr *mac_addr); 45 static int eth_ark_macaddr_add(struct rte_eth_dev *dev, 46 struct rte_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_release_port(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 .tx_queue_setup = eth_ark_tx_queue_setup, 136 137 .link_update = eth_ark_dev_link_update, 138 .dev_set_link_up = eth_ark_dev_set_link_up, 139 .dev_set_link_down = eth_ark_dev_set_link_down, 140 141 .rx_queue_start = eth_ark_rx_start_queue, 142 .rx_queue_stop = eth_ark_rx_stop_queue, 143 144 .tx_queue_start = eth_ark_tx_queue_start, 145 .tx_queue_stop = eth_ark_tx_queue_stop, 146 147 .stats_get = eth_ark_dev_stats_get, 148 .stats_reset = eth_ark_dev_stats_reset, 149 150 .mac_addr_add = eth_ark_macaddr_add, 151 .mac_addr_remove = eth_ark_macaddr_remove, 152 .mac_addr_set = eth_ark_set_default_mac_addr, 153 154 .mtu_set = eth_ark_set_mtu, 155 }; 156 157 static int 158 check_for_ext(struct ark_adapter *ark) 159 { 160 int found = 0; 161 162 /* Get the env */ 163 const char *dllpath = getenv("ARK_EXT_PATH"); 164 165 if (dllpath == NULL) { 166 ARK_PMD_LOG(DEBUG, "EXT NO dll path specified\n"); 167 return 0; 168 } 169 ARK_PMD_LOG(NOTICE, "EXT found dll path at %s\n", dllpath); 170 171 /* Open and load the .so */ 172 ark->d_handle = dlopen(dllpath, RTLD_LOCAL | RTLD_LAZY); 173 if (ark->d_handle == NULL) { 174 ARK_PMD_LOG(ERR, "Could not load user extension %s\n", 175 dllpath); 176 return -1; 177 } 178 ARK_PMD_LOG(DEBUG, "SUCCESS: loaded user extension %s\n", 179 dllpath); 180 181 /* Get the entry points */ 182 ark->user_ext.dev_init = 183 (void *(*)(struct rte_eth_dev *, void *, int)) 184 dlsym(ark->d_handle, "dev_init"); 185 ARK_PMD_LOG(DEBUG, "device ext init pointer = %p\n", 186 ark->user_ext.dev_init); 187 ark->user_ext.dev_get_port_count = 188 (int (*)(struct rte_eth_dev *, void *)) 189 dlsym(ark->d_handle, "dev_get_port_count"); 190 ark->user_ext.dev_uninit = 191 (void (*)(struct rte_eth_dev *, void *)) 192 dlsym(ark->d_handle, "dev_uninit"); 193 ark->user_ext.dev_configure = 194 (int (*)(struct rte_eth_dev *, void *)) 195 dlsym(ark->d_handle, "dev_configure"); 196 ark->user_ext.dev_start = 197 (int (*)(struct rte_eth_dev *, void *)) 198 dlsym(ark->d_handle, "dev_start"); 199 ark->user_ext.dev_stop = 200 (void (*)(struct rte_eth_dev *, void *)) 201 dlsym(ark->d_handle, "dev_stop"); 202 ark->user_ext.dev_close = 203 (void (*)(struct rte_eth_dev *, void *)) 204 dlsym(ark->d_handle, "dev_close"); 205 ark->user_ext.link_update = 206 (int (*)(struct rte_eth_dev *, int, void *)) 207 dlsym(ark->d_handle, "link_update"); 208 ark->user_ext.dev_set_link_up = 209 (int (*)(struct rte_eth_dev *, void *)) 210 dlsym(ark->d_handle, "dev_set_link_up"); 211 ark->user_ext.dev_set_link_down = 212 (int (*)(struct rte_eth_dev *, void *)) 213 dlsym(ark->d_handle, "dev_set_link_down"); 214 ark->user_ext.stats_get = 215 (int (*)(struct rte_eth_dev *, struct rte_eth_stats *, 216 void *)) 217 dlsym(ark->d_handle, "stats_get"); 218 ark->user_ext.stats_reset = 219 (void (*)(struct rte_eth_dev *, void *)) 220 dlsym(ark->d_handle, "stats_reset"); 221 ark->user_ext.mac_addr_add = 222 (void (*)(struct rte_eth_dev *, struct rte_ether_addr *, 223 uint32_t, uint32_t, void *)) 224 dlsym(ark->d_handle, "mac_addr_add"); 225 ark->user_ext.mac_addr_remove = 226 (void (*)(struct rte_eth_dev *, uint32_t, void *)) 227 dlsym(ark->d_handle, "mac_addr_remove"); 228 ark->user_ext.mac_addr_set = 229 (void (*)(struct rte_eth_dev *, struct rte_ether_addr *, 230 void *)) 231 dlsym(ark->d_handle, "mac_addr_set"); 232 ark->user_ext.set_mtu = 233 (int (*)(struct rte_eth_dev *, uint16_t, 234 void *)) 235 dlsym(ark->d_handle, "set_mtu"); 236 237 return found; 238 } 239 240 static int 241 eth_ark_dev_init(struct rte_eth_dev *dev) 242 { 243 struct ark_adapter *ark = dev->data->dev_private; 244 struct rte_pci_device *pci_dev; 245 int ret; 246 int port_count = 1; 247 int p; 248 249 ark->eth_dev = dev; 250 251 ARK_PMD_LOG(DEBUG, "\n"); 252 253 /* Check to see if there is an extension that we need to load */ 254 ret = check_for_ext(ark); 255 if (ret) 256 return ret; 257 pci_dev = RTE_ETH_DEV_TO_PCI(dev); 258 rte_eth_copy_pci_info(dev, pci_dev); 259 260 /* Use dummy function until setup */ 261 dev->rx_pkt_burst = ð_ark_recv_pkts_noop; 262 dev->tx_pkt_burst = ð_ark_xmit_pkts_noop; 263 264 ark->bar0 = (uint8_t *)pci_dev->mem_resource[0].addr; 265 ark->a_bar = (uint8_t *)pci_dev->mem_resource[2].addr; 266 267 ark->sysctrl.v = (void *)&ark->bar0[ARK_SYSCTRL_BASE]; 268 ark->mpurx.v = (void *)&ark->bar0[ARK_MPU_RX_BASE]; 269 ark->udm.v = (void *)&ark->bar0[ARK_UDM_BASE]; 270 ark->mputx.v = (void *)&ark->bar0[ARK_MPU_TX_BASE]; 271 ark->ddm.v = (void *)&ark->bar0[ARK_DDM_BASE]; 272 ark->cmac.v = (void *)&ark->bar0[ARK_CMAC_BASE]; 273 ark->external.v = (void *)&ark->bar0[ARK_EXTERNAL_BASE]; 274 ark->pktdir.v = (void *)&ark->bar0[ARK_PKTDIR_BASE]; 275 ark->pktgen.v = (void *)&ark->bar0[ARK_PKTGEN_BASE]; 276 ark->pktchkr.v = (void *)&ark->bar0[ARK_PKTCHKR_BASE]; 277 278 ark->rqpacing = 279 (struct ark_rqpace_t *)(ark->bar0 + ARK_RCPACING_BASE); 280 ark->started = 0; 281 282 ARK_PMD_LOG(INFO, "Sys Ctrl Const = 0x%x HW Commit_ID: %08x\n", 283 ark->sysctrl.t32[4], 284 rte_be_to_cpu_32(ark->sysctrl.t32[0x20 / 4])); 285 ARK_PMD_LOG(NOTICE, "Arkville HW Commit_ID: %08x\n", 286 rte_be_to_cpu_32(ark->sysctrl.t32[0x20 / 4])); 287 288 /* If HW sanity test fails, return an error */ 289 if (ark->sysctrl.t32[4] != 0xcafef00d) { 290 ARK_PMD_LOG(ERR, 291 "HW Sanity test has failed, expected constant" 292 " 0x%x, read 0x%x (%s)\n", 293 0xcafef00d, 294 ark->sysctrl.t32[4], __func__); 295 return -1; 296 } 297 if (ark->sysctrl.t32[3] != 0) { 298 if (ark_rqp_lasped(ark->rqpacing)) { 299 ARK_PMD_LOG(ERR, "Arkville Evaluation System - " 300 "Timer has Expired\n"); 301 return -1; 302 } 303 ARK_PMD_LOG(WARNING, "Arkville Evaluation System - " 304 "Timer is Running\n"); 305 } 306 307 ARK_PMD_LOG(DEBUG, 308 "HW Sanity test has PASSED, expected constant" 309 " 0x%x, read 0x%x (%s)\n", 310 0xcafef00d, ark->sysctrl.t32[4], __func__); 311 312 /* We are a single function multi-port device. */ 313 ret = ark_config_device(dev); 314 if (ret) 315 return -1; 316 317 dev->dev_ops = &ark_eth_dev_ops; 318 dev->rx_queue_count = eth_ark_dev_rx_queue_count; 319 320 dev->data->mac_addrs = rte_zmalloc("ark", RTE_ETHER_ADDR_LEN, 0); 321 if (!dev->data->mac_addrs) { 322 ARK_PMD_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 ARK_PMD_LOG(WARNING, 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 ARK_PMD_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 ARK_PMD_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, 388 RTE_ETHER_ADDR_LEN, 0); 389 if (!eth_dev->data->mac_addrs) { 390 ARK_PMD_LOG(ERR, 391 "Memory allocation for MAC failed!" 392 " Exiting.\n"); 393 goto error; 394 } 395 396 if (ark->user_ext.dev_init) { 397 ark->user_data[eth_dev->data->port_id] = 398 ark->user_ext.dev_init(dev, ark->a_bar, p); 399 } 400 401 rte_eth_dev_probing_finish(eth_dev); 402 } 403 404 return ret; 405 406 error: 407 rte_free(dev->data->mac_addrs); 408 dev->data->mac_addrs = NULL; 409 return -1; 410 } 411 412 /* 413 *Initial device configuration when device is opened 414 * setup the DDM, and UDM 415 * Called once per PCIE device 416 */ 417 static int 418 ark_config_device(struct rte_eth_dev *dev) 419 { 420 struct ark_adapter *ark = dev->data->dev_private; 421 uint16_t num_q, i; 422 struct ark_mpu_t *mpu; 423 424 /* 425 * Make sure that the packet director, generator and checker are in a 426 * known state 427 */ 428 ark->start_pg = 0; 429 ark->pg = ark_pktgen_init(ark->pktgen.v, 0, 1); 430 if (ark->pg == NULL) 431 return -1; 432 ark_pktgen_reset(ark->pg); 433 ark->pc = ark_pktchkr_init(ark->pktchkr.v, 0, 1); 434 if (ark->pc == NULL) 435 return -1; 436 ark_pktchkr_stop(ark->pc); 437 ark->pd = ark_pktdir_init(ark->pktdir.v); 438 if (ark->pd == NULL) 439 return -1; 440 441 /* Verify HW */ 442 if (ark_udm_verify(ark->udm.v)) 443 return -1; 444 if (ark_ddm_verify(ark->ddm.v)) 445 return -1; 446 447 /* UDM */ 448 if (ark_udm_reset(ark->udm.v)) { 449 ARK_PMD_LOG(ERR, "Unable to stop and reset UDM\n"); 450 return -1; 451 } 452 /* Keep in reset until the MPU are cleared */ 453 454 /* MPU reset */ 455 mpu = ark->mpurx.v; 456 num_q = ark_api_num_queues(mpu); 457 ark->rx_queues = num_q; 458 for (i = 0; i < num_q; i++) { 459 ark_mpu_reset(mpu); 460 mpu = RTE_PTR_ADD(mpu, ARK_MPU_QOFFSET); 461 } 462 463 ark_udm_stop(ark->udm.v, 0); 464 ark_udm_configure(ark->udm.v, 465 RTE_PKTMBUF_HEADROOM, 466 RTE_MBUF_DEFAULT_DATAROOM, 467 ARK_RX_WRITE_TIME_NS); 468 ark_udm_stats_reset(ark->udm.v); 469 ark_udm_stop(ark->udm.v, 0); 470 471 /* TX -- DDM */ 472 if (ark_ddm_stop(ark->ddm.v, 1)) 473 ARK_PMD_LOG(ERR, "Unable to stop DDM\n"); 474 475 mpu = ark->mputx.v; 476 num_q = ark_api_num_queues(mpu); 477 ark->tx_queues = num_q; 478 for (i = 0; i < num_q; i++) { 479 ark_mpu_reset(mpu); 480 mpu = RTE_PTR_ADD(mpu, ARK_MPU_QOFFSET); 481 } 482 483 ark_ddm_reset(ark->ddm.v); 484 ark_ddm_stats_reset(ark->ddm.v); 485 486 ark_ddm_stop(ark->ddm.v, 0); 487 ark_rqp_stats_reset(ark->rqpacing); 488 489 return 0; 490 } 491 492 static int 493 eth_ark_dev_uninit(struct rte_eth_dev *dev) 494 { 495 struct ark_adapter *ark = dev->data->dev_private; 496 497 if (rte_eal_process_type() != RTE_PROC_PRIMARY) 498 return 0; 499 500 if (ark->user_ext.dev_uninit) 501 ark->user_ext.dev_uninit(dev, 502 ark->user_data[dev->data->port_id]); 503 504 ark_pktgen_uninit(ark->pg); 505 ark_pktchkr_uninit(ark->pc); 506 507 dev->dev_ops = NULL; 508 dev->rx_pkt_burst = NULL; 509 dev->tx_pkt_burst = NULL; 510 return 0; 511 } 512 513 static int 514 eth_ark_dev_configure(struct rte_eth_dev *dev) 515 { 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 /* RX Side */ 546 /* start UDM */ 547 ark_udm_start(ark->udm.v); 548 549 for (i = 0; i < dev->data->nb_rx_queues; i++) 550 eth_ark_rx_start_queue(dev, i); 551 552 /* TX Side */ 553 for (i = 0; i < dev->data->nb_tx_queues; i++) 554 eth_ark_tx_queue_start(dev, i); 555 556 /* start DDM */ 557 ark_ddm_start(ark->ddm.v); 558 559 ark->started = 1; 560 /* set xmit and receive function */ 561 dev->rx_pkt_burst = ð_ark_recv_pkts; 562 dev->tx_pkt_burst = ð_ark_xmit_pkts; 563 564 if (ark->start_pg) 565 ark_pktchkr_run(ark->pc); 566 567 if (ark->start_pg && (dev->data->port_id == 0)) { 568 pthread_t thread; 569 570 /* Delay packet generatpr start allow the hardware to be ready 571 * This is only used for sanity checking with internal generator 572 */ 573 if (pthread_create(&thread, NULL, delay_pg_start, ark)) { 574 ARK_PMD_LOG(ERR, "Could not create pktgen " 575 "starter thread\n"); 576 return -1; 577 } 578 } 579 580 if (ark->user_ext.dev_start) 581 ark->user_ext.dev_start(dev, 582 ark->user_data[dev->data->port_id]); 583 584 return 0; 585 } 586 587 static void 588 eth_ark_dev_stop(struct rte_eth_dev *dev) 589 { 590 uint16_t i; 591 int status; 592 struct ark_adapter *ark = dev->data->dev_private; 593 struct ark_mpu_t *mpu; 594 595 if (ark->started == 0) 596 return; 597 ark->started = 0; 598 599 /* Stop the extension first */ 600 if (ark->user_ext.dev_stop) 601 ark->user_ext.dev_stop(dev, 602 ark->user_data[dev->data->port_id]); 603 604 /* Stop the packet generator */ 605 if (ark->start_pg) 606 ark_pktgen_pause(ark->pg); 607 608 dev->rx_pkt_burst = ð_ark_recv_pkts_noop; 609 dev->tx_pkt_burst = ð_ark_xmit_pkts_noop; 610 611 /* STOP TX Side */ 612 for (i = 0; i < dev->data->nb_tx_queues; i++) { 613 status = eth_ark_tx_queue_stop(dev, i); 614 if (status != 0) { 615 uint16_t port = dev->data->port_id; 616 ARK_PMD_LOG(ERR, 617 "tx_queue stop anomaly" 618 " port %u, queue %u\n", 619 port, i); 620 } 621 } 622 623 /* Stop DDM */ 624 /* Wait up to 0.1 second. each stop is up to 1000 * 10 useconds */ 625 for (i = 0; i < 10; i++) { 626 status = ark_ddm_stop(ark->ddm.v, 1); 627 if (status == 0) 628 break; 629 } 630 if (status || i != 0) { 631 ARK_PMD_LOG(ERR, "DDM stop anomaly. status:" 632 " %d iter: %u. (%s)\n", 633 status, 634 i, 635 __func__); 636 ark_ddm_dump(ark->ddm.v, "Stop anomaly"); 637 638 mpu = ark->mputx.v; 639 for (i = 0; i < ark->tx_queues; i++) { 640 ark_mpu_dump(mpu, "DDM failure dump", i); 641 mpu = RTE_PTR_ADD(mpu, ARK_MPU_QOFFSET); 642 } 643 } 644 645 /* STOP RX Side */ 646 /* Stop UDM multiple tries attempted */ 647 for (i = 0; i < 10; i++) { 648 status = ark_udm_stop(ark->udm.v, 1); 649 if (status == 0) 650 break; 651 } 652 if (status || i != 0) { 653 ARK_PMD_LOG(ERR, "UDM stop anomaly. status %d iter: %u. (%s)\n", 654 status, i, __func__); 655 ark_udm_dump(ark->udm.v, "Stop anomaly"); 656 657 mpu = ark->mpurx.v; 658 for (i = 0; i < ark->rx_queues; i++) { 659 ark_mpu_dump(mpu, "UDM Stop anomaly", i); 660 mpu = RTE_PTR_ADD(mpu, ARK_MPU_QOFFSET); 661 } 662 } 663 664 ark_udm_dump_stats(ark->udm.v, "Post stop"); 665 ark_udm_dump_perf(ark->udm.v, "Post stop"); 666 667 for (i = 0; i < dev->data->nb_rx_queues; i++) 668 eth_ark_rx_dump_queue(dev, i, __func__); 669 670 /* Stop the packet checker if it is running */ 671 if (ark->start_pg) { 672 ark_pktchkr_dump_stats(ark->pc); 673 ark_pktchkr_stop(ark->pc); 674 } 675 } 676 677 static int 678 eth_ark_dev_close(struct rte_eth_dev *dev) 679 { 680 struct ark_adapter *ark = dev->data->dev_private; 681 uint16_t i; 682 683 if (rte_eal_process_type() != RTE_PROC_PRIMARY) 684 return 0; 685 686 if (ark->user_ext.dev_close) 687 ark->user_ext.dev_close(dev, 688 ark->user_data[dev->data->port_id]); 689 690 eth_ark_dev_stop(dev); 691 eth_ark_udm_force_close(dev); 692 693 /* 694 * TODO This should only be called once for the device during shutdown 695 */ 696 ark_rqp_dump(ark->rqpacing); 697 698 for (i = 0; i < dev->data->nb_tx_queues; i++) { 699 eth_ark_tx_queue_release(dev->data->tx_queues[i]); 700 dev->data->tx_queues[i] = 0; 701 } 702 703 for (i = 0; i < dev->data->nb_rx_queues; i++) { 704 eth_ark_dev_rx_queue_release(dev->data->rx_queues[i]); 705 dev->data->rx_queues[i] = 0; 706 } 707 708 return 0; 709 } 710 711 static int 712 eth_ark_dev_info_get(struct rte_eth_dev *dev, 713 struct rte_eth_dev_info *dev_info) 714 { 715 struct ark_adapter *ark = dev->data->dev_private; 716 struct ark_mpu_t *tx_mpu = RTE_PTR_ADD(ark->bar0, ARK_MPU_TX_BASE); 717 struct ark_mpu_t *rx_mpu = RTE_PTR_ADD(ark->bar0, ARK_MPU_RX_BASE); 718 uint16_t ports = ark->num_ports; 719 720 dev_info->max_rx_pktlen = ARK_RX_MAX_PKT_LEN; 721 dev_info->min_rx_bufsize = ARK_RX_MIN_BUFSIZE; 722 723 dev_info->max_rx_queues = ark_api_num_queues_per_port(rx_mpu, ports); 724 dev_info->max_tx_queues = ark_api_num_queues_per_port(tx_mpu, ports); 725 726 dev_info->rx_desc_lim = (struct rte_eth_desc_lim) { 727 .nb_max = ARK_RX_MAX_QUEUE, 728 .nb_min = ARK_RX_MIN_QUEUE, 729 .nb_align = ARK_RX_MIN_QUEUE}; /* power of 2 */ 730 731 dev_info->tx_desc_lim = (struct rte_eth_desc_lim) { 732 .nb_max = ARK_TX_MAX_QUEUE, 733 .nb_min = ARK_TX_MIN_QUEUE, 734 .nb_align = ARK_TX_MIN_QUEUE}; /* power of 2 */ 735 736 /* ARK PMD supports all line rates, how do we indicate that here ?? */ 737 dev_info->speed_capa = (ETH_LINK_SPEED_1G | 738 ETH_LINK_SPEED_10G | 739 ETH_LINK_SPEED_25G | 740 ETH_LINK_SPEED_40G | 741 ETH_LINK_SPEED_50G | 742 ETH_LINK_SPEED_100G); 743 744 return 0; 745 } 746 747 static int 748 eth_ark_dev_link_update(struct rte_eth_dev *dev, int wait_to_complete) 749 { 750 ARK_PMD_LOG(DEBUG, "link status = %d\n", 751 dev->data->dev_link.link_status); 752 struct ark_adapter *ark = dev->data->dev_private; 753 754 if (ark->user_ext.link_update) { 755 return ark->user_ext.link_update 756 (dev, wait_to_complete, 757 ark->user_data[dev->data->port_id]); 758 } 759 return 0; 760 } 761 762 static int 763 eth_ark_dev_set_link_up(struct rte_eth_dev *dev) 764 { 765 dev->data->dev_link.link_status = 1; 766 struct ark_adapter *ark = dev->data->dev_private; 767 768 if (ark->user_ext.dev_set_link_up) 769 return ark->user_ext.dev_set_link_up(dev, 770 ark->user_data[dev->data->port_id]); 771 return 0; 772 } 773 774 static int 775 eth_ark_dev_set_link_down(struct rte_eth_dev *dev) 776 { 777 dev->data->dev_link.link_status = 0; 778 struct ark_adapter *ark = dev->data->dev_private; 779 780 if (ark->user_ext.dev_set_link_down) 781 return ark->user_ext.dev_set_link_down(dev, 782 ark->user_data[dev->data->port_id]); 783 return 0; 784 } 785 786 static int 787 eth_ark_dev_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats) 788 { 789 uint16_t i; 790 struct ark_adapter *ark = dev->data->dev_private; 791 792 stats->ipackets = 0; 793 stats->ibytes = 0; 794 stats->opackets = 0; 795 stats->obytes = 0; 796 stats->imissed = 0; 797 stats->oerrors = 0; 798 799 for (i = 0; i < dev->data->nb_tx_queues; i++) 800 eth_tx_queue_stats_get(dev->data->tx_queues[i], stats); 801 for (i = 0; i < dev->data->nb_rx_queues; i++) 802 eth_rx_queue_stats_get(dev->data->rx_queues[i], stats); 803 if (ark->user_ext.stats_get) 804 return ark->user_ext.stats_get(dev, stats, 805 ark->user_data[dev->data->port_id]); 806 return 0; 807 } 808 809 static int 810 eth_ark_dev_stats_reset(struct rte_eth_dev *dev) 811 { 812 uint16_t i; 813 struct ark_adapter *ark = dev->data->dev_private; 814 815 for (i = 0; i < dev->data->nb_tx_queues; i++) 816 eth_tx_queue_stats_reset(dev->data->tx_queues[i]); 817 for (i = 0; i < dev->data->nb_rx_queues; i++) 818 eth_rx_queue_stats_reset(dev->data->rx_queues[i]); 819 if (ark->user_ext.stats_reset) 820 ark->user_ext.stats_reset(dev, 821 ark->user_data[dev->data->port_id]); 822 823 return 0; 824 } 825 826 static int 827 eth_ark_macaddr_add(struct rte_eth_dev *dev, 828 struct rte_ether_addr *mac_addr, 829 uint32_t index, 830 uint32_t pool) 831 { 832 struct ark_adapter *ark = dev->data->dev_private; 833 834 if (ark->user_ext.mac_addr_add) { 835 ark->user_ext.mac_addr_add(dev, 836 mac_addr, 837 index, 838 pool, 839 ark->user_data[dev->data->port_id]); 840 return 0; 841 } 842 return -ENOTSUP; 843 } 844 845 static void 846 eth_ark_macaddr_remove(struct rte_eth_dev *dev, uint32_t index) 847 { 848 struct ark_adapter *ark = dev->data->dev_private; 849 850 if (ark->user_ext.mac_addr_remove) 851 ark->user_ext.mac_addr_remove(dev, index, 852 ark->user_data[dev->data->port_id]); 853 } 854 855 static int 856 eth_ark_set_default_mac_addr(struct rte_eth_dev *dev, 857 struct rte_ether_addr *mac_addr) 858 { 859 struct ark_adapter *ark = dev->data->dev_private; 860 861 if (ark->user_ext.mac_addr_set) { 862 ark->user_ext.mac_addr_set(dev, mac_addr, 863 ark->user_data[dev->data->port_id]); 864 return 0; 865 } 866 return -ENOTSUP; 867 } 868 869 static int 870 eth_ark_set_mtu(struct rte_eth_dev *dev, uint16_t size) 871 { 872 struct ark_adapter *ark = dev->data->dev_private; 873 874 if (ark->user_ext.set_mtu) 875 return ark->user_ext.set_mtu(dev, size, 876 ark->user_data[dev->data->port_id]); 877 878 return -ENOTSUP; 879 } 880 881 static inline int 882 process_pktdir_arg(const char *key, const char *value, 883 void *extra_args) 884 { 885 ARK_PMD_LOG(DEBUG, "key = %s, value = %s\n", 886 key, value); 887 struct ark_adapter *ark = 888 (struct ark_adapter *)extra_args; 889 890 ark->pkt_dir_v = strtol(value, NULL, 16); 891 ARK_PMD_LOG(DEBUG, "pkt_dir_v = 0x%x\n", ark->pkt_dir_v); 892 return 0; 893 } 894 895 static inline int 896 process_file_args(const char *key, const char *value, void *extra_args) 897 { 898 ARK_PMD_LOG(DEBUG, "key = %s, value = %s\n", 899 key, value); 900 char *args = (char *)extra_args; 901 902 /* Open the configuration file */ 903 FILE *file = fopen(value, "r"); 904 char line[ARK_MAX_ARG_LEN]; 905 int size = 0; 906 int first = 1; 907 908 if (file == NULL) { 909 ARK_PMD_LOG(ERR, "Unable to open " 910 "config file %s\n", value); 911 return -1; 912 } 913 914 while (fgets(line, sizeof(line), file)) { 915 size += strlen(line); 916 if (size >= ARK_MAX_ARG_LEN) { 917 ARK_PMD_LOG(ERR, "Unable to parse file %s args, " 918 "parameter list is too long\n", value); 919 fclose(file); 920 return -1; 921 } 922 if (first) { 923 strncpy(args, line, ARK_MAX_ARG_LEN); 924 first = 0; 925 } else { 926 strncat(args, line, ARK_MAX_ARG_LEN); 927 } 928 } 929 ARK_PMD_LOG(DEBUG, "file = %s\n", args); 930 fclose(file); 931 return 0; 932 } 933 934 static int 935 eth_ark_check_args(struct ark_adapter *ark, const char *params) 936 { 937 struct rte_kvargs *kvlist; 938 unsigned int k_idx; 939 struct rte_kvargs_pair *pair = NULL; 940 int ret = -1; 941 942 kvlist = rte_kvargs_parse(params, valid_arguments); 943 if (kvlist == NULL) 944 return 0; 945 946 ark->pkt_gen_args[0] = 0; 947 ark->pkt_chkr_args[0] = 0; 948 949 for (k_idx = 0; k_idx < kvlist->count; k_idx++) { 950 pair = &kvlist->pairs[k_idx]; 951 ARK_PMD_LOG(DEBUG, "**** Arg passed to PMD = %s:%s\n", 952 pair->key, 953 pair->value); 954 } 955 956 if (rte_kvargs_process(kvlist, 957 ARK_PKTDIR_ARG, 958 &process_pktdir_arg, 959 ark) != 0) { 960 ARK_PMD_LOG(ERR, "Unable to parse arg %s\n", ARK_PKTDIR_ARG); 961 goto free_kvlist; 962 } 963 964 if (rte_kvargs_process(kvlist, 965 ARK_PKTGEN_ARG, 966 &process_file_args, 967 ark->pkt_gen_args) != 0) { 968 ARK_PMD_LOG(ERR, "Unable to parse arg %s\n", ARK_PKTGEN_ARG); 969 goto free_kvlist; 970 } 971 972 if (rte_kvargs_process(kvlist, 973 ARK_PKTCHKR_ARG, 974 &process_file_args, 975 ark->pkt_chkr_args) != 0) { 976 ARK_PMD_LOG(ERR, "Unable to parse arg %s\n", ARK_PKTCHKR_ARG); 977 goto free_kvlist; 978 } 979 980 ARK_PMD_LOG(INFO, "packet director set to 0x%x\n", ark->pkt_dir_v); 981 /* Setup the packet director */ 982 ark_pktdir_setup(ark->pd, ark->pkt_dir_v); 983 984 /* Setup the packet generator */ 985 if (ark->pkt_gen_args[0]) { 986 ARK_PMD_LOG(DEBUG, "Setting up the packet generator\n"); 987 ark_pktgen_parse(ark->pkt_gen_args); 988 ark_pktgen_reset(ark->pg); 989 ark_pktgen_setup(ark->pg); 990 ark->start_pg = 1; 991 } 992 993 /* Setup the packet checker */ 994 if (ark->pkt_chkr_args[0]) { 995 ark_pktchkr_parse(ark->pkt_chkr_args); 996 ark_pktchkr_setup(ark->pc); 997 } 998 999 ret = 0; 1000 1001 free_kvlist: 1002 rte_kvargs_free(kvlist); 1003 1004 return ret; 1005 } 1006 1007 RTE_PMD_REGISTER_PCI(net_ark, rte_ark_pmd); 1008 RTE_PMD_REGISTER_KMOD_DEP(net_ark, "* igb_uio | uio_pci_generic "); 1009 RTE_PMD_REGISTER_PCI_TABLE(net_ark, pci_id_ark_map); 1010 RTE_PMD_REGISTER_PARAM_STRING(net_ark, 1011 ARK_PKTGEN_ARG "=<filename> " 1012 ARK_PKTCHKR_ARG "=<filename> " 1013 ARK_PKTDIR_ARG "=<bitmap>"); 1014 RTE_LOG_REGISTER(ark_logtype, pmd.net.ark, NOTICE); 1015