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 int 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 dev->data->dev_flags |= RTE_ETH_DEV_AUTOFILL_QUEUE_XSTATS; 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 ARK_PMD_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 ARK_PMD_LOG(NOTICE, "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 ARK_PMD_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 ARK_PMD_LOG(ERR, "Arkville Evaluation System - " 301 "Timer has Expired\n"); 302 return -1; 303 } 304 ARK_PMD_LOG(WARNING, "Arkville Evaluation System - " 305 "Timer is Running\n"); 306 } 307 308 ARK_PMD_LOG(DEBUG, 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 dev->rx_queue_count = eth_ark_dev_rx_queue_count; 320 321 dev->data->mac_addrs = rte_zmalloc("ark", RTE_ETHER_ADDR_LEN, 0); 322 if (!dev->data->mac_addrs) { 323 ARK_PMD_LOG(ERR, 324 "Failed to allocated memory for storing mac address" 325 ); 326 } 327 328 if (ark->user_ext.dev_init) { 329 ark->user_data[dev->data->port_id] = 330 ark->user_ext.dev_init(dev, ark->a_bar, 0); 331 if (!ark->user_data[dev->data->port_id]) { 332 ARK_PMD_LOG(WARNING, 333 "Failed to initialize PMD extension!" 334 " continuing without it\n"); 335 memset(&ark->user_ext, 0, sizeof(struct ark_user_ext)); 336 dlclose(ark->d_handle); 337 } 338 } 339 340 if (pci_dev->device.devargs) 341 ret = eth_ark_check_args(ark, pci_dev->device.devargs->args); 342 else 343 ARK_PMD_LOG(INFO, "No Device args found\n"); 344 345 if (ret) 346 goto error; 347 /* 348 * We will create additional devices based on the number of requested 349 * ports 350 */ 351 if (ark->user_ext.dev_get_port_count) 352 port_count = 353 ark->user_ext.dev_get_port_count(dev, 354 ark->user_data[dev->data->port_id]); 355 ark->num_ports = port_count; 356 357 for (p = 0; p < port_count; p++) { 358 struct rte_eth_dev *eth_dev; 359 char name[RTE_ETH_NAME_MAX_LEN]; 360 361 snprintf(name, sizeof(name), "arketh%d", 362 dev->data->port_id + p); 363 364 if (p == 0) { 365 /* First port is already allocated by DPDK */ 366 eth_dev = ark->eth_dev; 367 rte_eth_dev_probing_finish(eth_dev); 368 continue; 369 } 370 371 /* reserve an ethdev entry */ 372 eth_dev = rte_eth_dev_allocate(name); 373 if (!eth_dev) { 374 ARK_PMD_LOG(ERR, 375 "Could not allocate eth_dev for port %d\n", 376 p); 377 goto error; 378 } 379 380 eth_dev->device = &pci_dev->device; 381 eth_dev->data->dev_private = ark; 382 eth_dev->dev_ops = ark->eth_dev->dev_ops; 383 eth_dev->tx_pkt_burst = ark->eth_dev->tx_pkt_burst; 384 eth_dev->rx_pkt_burst = ark->eth_dev->rx_pkt_burst; 385 386 rte_eth_copy_pci_info(eth_dev, pci_dev); 387 eth_dev->data->dev_flags |= RTE_ETH_DEV_AUTOFILL_QUEUE_XSTATS; 388 389 eth_dev->data->mac_addrs = rte_zmalloc(name, 390 RTE_ETHER_ADDR_LEN, 0); 391 if (!eth_dev->data->mac_addrs) { 392 ARK_PMD_LOG(ERR, 393 "Memory allocation for MAC failed!" 394 " Exiting.\n"); 395 goto error; 396 } 397 398 if (ark->user_ext.dev_init) { 399 ark->user_data[eth_dev->data->port_id] = 400 ark->user_ext.dev_init(dev, ark->a_bar, p); 401 } 402 403 rte_eth_dev_probing_finish(eth_dev); 404 } 405 406 return ret; 407 408 error: 409 rte_free(dev->data->mac_addrs); 410 dev->data->mac_addrs = NULL; 411 return -1; 412 } 413 414 /* 415 *Initial device configuration when device is opened 416 * setup the DDM, and UDM 417 * Called once per PCIE device 418 */ 419 static int 420 ark_config_device(struct rte_eth_dev *dev) 421 { 422 struct ark_adapter *ark = dev->data->dev_private; 423 uint16_t num_q, i; 424 struct ark_mpu_t *mpu; 425 426 /* 427 * Make sure that the packet director, generator and checker are in a 428 * known state 429 */ 430 ark->start_pg = 0; 431 ark->pg = ark_pktgen_init(ark->pktgen.v, 0, 1); 432 if (ark->pg == NULL) 433 return -1; 434 ark_pktgen_reset(ark->pg); 435 ark->pc = ark_pktchkr_init(ark->pktchkr.v, 0, 1); 436 if (ark->pc == NULL) 437 return -1; 438 ark_pktchkr_stop(ark->pc); 439 ark->pd = ark_pktdir_init(ark->pktdir.v); 440 if (ark->pd == NULL) 441 return -1; 442 443 /* Verify HW */ 444 if (ark_udm_verify(ark->udm.v)) 445 return -1; 446 if (ark_ddm_verify(ark->ddm.v)) 447 return -1; 448 449 /* UDM */ 450 if (ark_udm_reset(ark->udm.v)) { 451 ARK_PMD_LOG(ERR, "Unable to stop and reset UDM\n"); 452 return -1; 453 } 454 /* Keep in reset until the MPU are cleared */ 455 456 /* MPU reset */ 457 mpu = ark->mpurx.v; 458 num_q = ark_api_num_queues(mpu); 459 ark->rx_queues = num_q; 460 for (i = 0; i < num_q; i++) { 461 ark_mpu_reset(mpu); 462 mpu = RTE_PTR_ADD(mpu, ARK_MPU_QOFFSET); 463 } 464 465 ark_udm_stop(ark->udm.v, 0); 466 ark_udm_configure(ark->udm.v, 467 RTE_PKTMBUF_HEADROOM, 468 RTE_MBUF_DEFAULT_DATAROOM, 469 ARK_RX_WRITE_TIME_NS); 470 ark_udm_stats_reset(ark->udm.v); 471 ark_udm_stop(ark->udm.v, 0); 472 473 /* TX -- DDM */ 474 if (ark_ddm_stop(ark->ddm.v, 1)) 475 ARK_PMD_LOG(ERR, "Unable to stop DDM\n"); 476 477 mpu = ark->mputx.v; 478 num_q = ark_api_num_queues(mpu); 479 ark->tx_queues = num_q; 480 for (i = 0; i < num_q; i++) { 481 ark_mpu_reset(mpu); 482 mpu = RTE_PTR_ADD(mpu, ARK_MPU_QOFFSET); 483 } 484 485 ark_ddm_reset(ark->ddm.v); 486 ark_ddm_stats_reset(ark->ddm.v); 487 488 ark_ddm_stop(ark->ddm.v, 0); 489 ark_rqp_stats_reset(ark->rqpacing); 490 491 return 0; 492 } 493 494 static int 495 eth_ark_dev_uninit(struct rte_eth_dev *dev) 496 { 497 struct ark_adapter *ark = dev->data->dev_private; 498 499 if (rte_eal_process_type() != RTE_PROC_PRIMARY) 500 return 0; 501 502 if (ark->user_ext.dev_uninit) 503 ark->user_ext.dev_uninit(dev, 504 ark->user_data[dev->data->port_id]); 505 506 ark_pktgen_uninit(ark->pg); 507 ark_pktchkr_uninit(ark->pc); 508 509 return 0; 510 } 511 512 static int 513 eth_ark_dev_configure(struct rte_eth_dev *dev) 514 { 515 struct ark_adapter *ark = dev->data->dev_private; 516 517 eth_ark_dev_set_link_up(dev); 518 if (ark->user_ext.dev_configure) 519 return ark->user_ext.dev_configure(dev, 520 ark->user_data[dev->data->port_id]); 521 return 0; 522 } 523 524 static void * 525 delay_pg_start(void *arg) 526 { 527 struct ark_adapter *ark = (struct ark_adapter *)arg; 528 529 /* This function is used exclusively for regression testing, We 530 * perform a blind sleep here to ensure that the external test 531 * application has time to setup the test before we generate packets 532 */ 533 usleep(100000); 534 ark_pktgen_run(ark->pg); 535 return NULL; 536 } 537 538 static int 539 eth_ark_dev_start(struct rte_eth_dev *dev) 540 { 541 struct ark_adapter *ark = dev->data->dev_private; 542 int i; 543 544 /* RX Side */ 545 /* start UDM */ 546 ark_udm_start(ark->udm.v); 547 548 for (i = 0; i < dev->data->nb_rx_queues; i++) 549 eth_ark_rx_start_queue(dev, i); 550 551 /* TX Side */ 552 for (i = 0; i < dev->data->nb_tx_queues; i++) 553 eth_ark_tx_queue_start(dev, i); 554 555 /* start DDM */ 556 ark_ddm_start(ark->ddm.v); 557 558 ark->started = 1; 559 /* set xmit and receive function */ 560 dev->rx_pkt_burst = ð_ark_recv_pkts; 561 dev->tx_pkt_burst = ð_ark_xmit_pkts; 562 563 if (ark->start_pg) 564 ark_pktchkr_run(ark->pc); 565 566 if (ark->start_pg && (dev->data->port_id == 0)) { 567 pthread_t thread; 568 569 /* Delay packet generatpr start allow the hardware to be ready 570 * This is only used for sanity checking with internal generator 571 */ 572 if (pthread_create(&thread, NULL, delay_pg_start, ark)) { 573 ARK_PMD_LOG(ERR, "Could not create pktgen " 574 "starter thread\n"); 575 return -1; 576 } 577 } 578 579 if (ark->user_ext.dev_start) 580 ark->user_ext.dev_start(dev, 581 ark->user_data[dev->data->port_id]); 582 583 return 0; 584 } 585 586 static int 587 eth_ark_dev_stop(struct rte_eth_dev *dev) 588 { 589 uint16_t i; 590 int status; 591 struct ark_adapter *ark = dev->data->dev_private; 592 struct ark_mpu_t *mpu; 593 594 if (ark->started == 0) 595 return 0; 596 ark->started = 0; 597 dev->data->dev_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 return 0; 677 } 678 679 static int 680 eth_ark_dev_close(struct rte_eth_dev *dev) 681 { 682 struct ark_adapter *ark = dev->data->dev_private; 683 uint16_t i; 684 685 if (rte_eal_process_type() != RTE_PROC_PRIMARY) 686 return 0; 687 688 if (ark->user_ext.dev_close) 689 ark->user_ext.dev_close(dev, 690 ark->user_data[dev->data->port_id]); 691 692 eth_ark_dev_stop(dev); 693 eth_ark_udm_force_close(dev); 694 695 /* 696 * TODO This should only be called once for the device during shutdown 697 */ 698 ark_rqp_dump(ark->rqpacing); 699 700 for (i = 0; i < dev->data->nb_tx_queues; i++) { 701 eth_ark_tx_queue_release(dev->data->tx_queues[i]); 702 dev->data->tx_queues[i] = 0; 703 } 704 705 for (i = 0; i < dev->data->nb_rx_queues; i++) { 706 eth_ark_dev_rx_queue_release(dev->data->rx_queues[i]); 707 dev->data->rx_queues[i] = 0; 708 } 709 710 return 0; 711 } 712 713 static int 714 eth_ark_dev_info_get(struct rte_eth_dev *dev, 715 struct rte_eth_dev_info *dev_info) 716 { 717 struct ark_adapter *ark = dev->data->dev_private; 718 struct ark_mpu_t *tx_mpu = RTE_PTR_ADD(ark->bar0, ARK_MPU_TX_BASE); 719 struct ark_mpu_t *rx_mpu = RTE_PTR_ADD(ark->bar0, ARK_MPU_RX_BASE); 720 uint16_t ports = ark->num_ports; 721 722 dev_info->max_rx_pktlen = ARK_RX_MAX_PKT_LEN; 723 dev_info->min_rx_bufsize = ARK_RX_MIN_BUFSIZE; 724 725 dev_info->max_rx_queues = ark_api_num_queues_per_port(rx_mpu, ports); 726 dev_info->max_tx_queues = ark_api_num_queues_per_port(tx_mpu, ports); 727 728 dev_info->rx_desc_lim = (struct rte_eth_desc_lim) { 729 .nb_max = ARK_RX_MAX_QUEUE, 730 .nb_min = ARK_RX_MIN_QUEUE, 731 .nb_align = ARK_RX_MIN_QUEUE}; /* power of 2 */ 732 733 dev_info->tx_desc_lim = (struct rte_eth_desc_lim) { 734 .nb_max = ARK_TX_MAX_QUEUE, 735 .nb_min = ARK_TX_MIN_QUEUE, 736 .nb_align = ARK_TX_MIN_QUEUE}; /* power of 2 */ 737 738 /* ARK PMD supports all line rates, how do we indicate that here ?? */ 739 dev_info->speed_capa = (ETH_LINK_SPEED_1G | 740 ETH_LINK_SPEED_10G | 741 ETH_LINK_SPEED_25G | 742 ETH_LINK_SPEED_40G | 743 ETH_LINK_SPEED_50G | 744 ETH_LINK_SPEED_100G); 745 746 return 0; 747 } 748 749 static int 750 eth_ark_dev_link_update(struct rte_eth_dev *dev, int wait_to_complete) 751 { 752 ARK_PMD_LOG(DEBUG, "link status = %d\n", 753 dev->data->dev_link.link_status); 754 struct ark_adapter *ark = dev->data->dev_private; 755 756 if (ark->user_ext.link_update) { 757 return ark->user_ext.link_update 758 (dev, wait_to_complete, 759 ark->user_data[dev->data->port_id]); 760 } 761 return 0; 762 } 763 764 static int 765 eth_ark_dev_set_link_up(struct rte_eth_dev *dev) 766 { 767 dev->data->dev_link.link_status = 1; 768 struct ark_adapter *ark = dev->data->dev_private; 769 770 if (ark->user_ext.dev_set_link_up) 771 return ark->user_ext.dev_set_link_up(dev, 772 ark->user_data[dev->data->port_id]); 773 return 0; 774 } 775 776 static int 777 eth_ark_dev_set_link_down(struct rte_eth_dev *dev) 778 { 779 dev->data->dev_link.link_status = 0; 780 struct ark_adapter *ark = dev->data->dev_private; 781 782 if (ark->user_ext.dev_set_link_down) 783 return ark->user_ext.dev_set_link_down(dev, 784 ark->user_data[dev->data->port_id]); 785 return 0; 786 } 787 788 static int 789 eth_ark_dev_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats) 790 { 791 uint16_t i; 792 struct ark_adapter *ark = dev->data->dev_private; 793 794 stats->ipackets = 0; 795 stats->ibytes = 0; 796 stats->opackets = 0; 797 stats->obytes = 0; 798 stats->imissed = 0; 799 stats->oerrors = 0; 800 801 for (i = 0; i < dev->data->nb_tx_queues; i++) 802 eth_tx_queue_stats_get(dev->data->tx_queues[i], stats); 803 for (i = 0; i < dev->data->nb_rx_queues; i++) 804 eth_rx_queue_stats_get(dev->data->rx_queues[i], stats); 805 if (ark->user_ext.stats_get) 806 return ark->user_ext.stats_get(dev, stats, 807 ark->user_data[dev->data->port_id]); 808 return 0; 809 } 810 811 static int 812 eth_ark_dev_stats_reset(struct rte_eth_dev *dev) 813 { 814 uint16_t i; 815 struct ark_adapter *ark = dev->data->dev_private; 816 817 for (i = 0; i < dev->data->nb_tx_queues; i++) 818 eth_tx_queue_stats_reset(dev->data->tx_queues[i]); 819 for (i = 0; i < dev->data->nb_rx_queues; i++) 820 eth_rx_queue_stats_reset(dev->data->rx_queues[i]); 821 if (ark->user_ext.stats_reset) 822 ark->user_ext.stats_reset(dev, 823 ark->user_data[dev->data->port_id]); 824 825 return 0; 826 } 827 828 static int 829 eth_ark_macaddr_add(struct rte_eth_dev *dev, 830 struct rte_ether_addr *mac_addr, 831 uint32_t index, 832 uint32_t pool) 833 { 834 struct ark_adapter *ark = dev->data->dev_private; 835 836 if (ark->user_ext.mac_addr_add) { 837 ark->user_ext.mac_addr_add(dev, 838 mac_addr, 839 index, 840 pool, 841 ark->user_data[dev->data->port_id]); 842 return 0; 843 } 844 return -ENOTSUP; 845 } 846 847 static void 848 eth_ark_macaddr_remove(struct rte_eth_dev *dev, uint32_t index) 849 { 850 struct ark_adapter *ark = dev->data->dev_private; 851 852 if (ark->user_ext.mac_addr_remove) 853 ark->user_ext.mac_addr_remove(dev, index, 854 ark->user_data[dev->data->port_id]); 855 } 856 857 static int 858 eth_ark_set_default_mac_addr(struct rte_eth_dev *dev, 859 struct rte_ether_addr *mac_addr) 860 { 861 struct ark_adapter *ark = dev->data->dev_private; 862 863 if (ark->user_ext.mac_addr_set) { 864 ark->user_ext.mac_addr_set(dev, mac_addr, 865 ark->user_data[dev->data->port_id]); 866 return 0; 867 } 868 return -ENOTSUP; 869 } 870 871 static int 872 eth_ark_set_mtu(struct rte_eth_dev *dev, uint16_t size) 873 { 874 struct ark_adapter *ark = dev->data->dev_private; 875 876 if (ark->user_ext.set_mtu) 877 return ark->user_ext.set_mtu(dev, size, 878 ark->user_data[dev->data->port_id]); 879 880 return -ENOTSUP; 881 } 882 883 static inline int 884 process_pktdir_arg(const char *key, const char *value, 885 void *extra_args) 886 { 887 ARK_PMD_LOG(DEBUG, "key = %s, value = %s\n", 888 key, value); 889 struct ark_adapter *ark = 890 (struct ark_adapter *)extra_args; 891 892 ark->pkt_dir_v = strtol(value, NULL, 16); 893 ARK_PMD_LOG(DEBUG, "pkt_dir_v = 0x%x\n", ark->pkt_dir_v); 894 return 0; 895 } 896 897 static inline int 898 process_file_args(const char *key, const char *value, void *extra_args) 899 { 900 ARK_PMD_LOG(DEBUG, "key = %s, value = %s\n", 901 key, value); 902 char *args = (char *)extra_args; 903 904 /* Open the configuration file */ 905 FILE *file = fopen(value, "r"); 906 char line[ARK_MAX_ARG_LEN]; 907 int size = 0; 908 int first = 1; 909 910 if (file == NULL) { 911 ARK_PMD_LOG(ERR, "Unable to open " 912 "config file %s\n", value); 913 return -1; 914 } 915 916 while (fgets(line, sizeof(line), file)) { 917 size += strlen(line); 918 if (size >= ARK_MAX_ARG_LEN) { 919 ARK_PMD_LOG(ERR, "Unable to parse file %s args, " 920 "parameter list is too long\n", value); 921 fclose(file); 922 return -1; 923 } 924 if (first) { 925 strncpy(args, line, ARK_MAX_ARG_LEN); 926 first = 0; 927 } else { 928 strncat(args, line, ARK_MAX_ARG_LEN); 929 } 930 } 931 ARK_PMD_LOG(DEBUG, "file = %s\n", args); 932 fclose(file); 933 return 0; 934 } 935 936 static int 937 eth_ark_check_args(struct ark_adapter *ark, const char *params) 938 { 939 struct rte_kvargs *kvlist; 940 unsigned int k_idx; 941 struct rte_kvargs_pair *pair = NULL; 942 int ret = -1; 943 944 kvlist = rte_kvargs_parse(params, valid_arguments); 945 if (kvlist == NULL) 946 return 0; 947 948 ark->pkt_gen_args[0] = 0; 949 ark->pkt_chkr_args[0] = 0; 950 951 for (k_idx = 0; k_idx < kvlist->count; k_idx++) { 952 pair = &kvlist->pairs[k_idx]; 953 ARK_PMD_LOG(DEBUG, "**** Arg passed to PMD = %s:%s\n", 954 pair->key, 955 pair->value); 956 } 957 958 if (rte_kvargs_process(kvlist, 959 ARK_PKTDIR_ARG, 960 &process_pktdir_arg, 961 ark) != 0) { 962 ARK_PMD_LOG(ERR, "Unable to parse arg %s\n", ARK_PKTDIR_ARG); 963 goto free_kvlist; 964 } 965 966 if (rte_kvargs_process(kvlist, 967 ARK_PKTGEN_ARG, 968 &process_file_args, 969 ark->pkt_gen_args) != 0) { 970 ARK_PMD_LOG(ERR, "Unable to parse arg %s\n", ARK_PKTGEN_ARG); 971 goto free_kvlist; 972 } 973 974 if (rte_kvargs_process(kvlist, 975 ARK_PKTCHKR_ARG, 976 &process_file_args, 977 ark->pkt_chkr_args) != 0) { 978 ARK_PMD_LOG(ERR, "Unable to parse arg %s\n", ARK_PKTCHKR_ARG); 979 goto free_kvlist; 980 } 981 982 ARK_PMD_LOG(INFO, "packet director set to 0x%x\n", ark->pkt_dir_v); 983 /* Setup the packet director */ 984 ark_pktdir_setup(ark->pd, ark->pkt_dir_v); 985 986 /* Setup the packet generator */ 987 if (ark->pkt_gen_args[0]) { 988 ARK_PMD_LOG(DEBUG, "Setting up the packet generator\n"); 989 ark_pktgen_parse(ark->pkt_gen_args); 990 ark_pktgen_reset(ark->pg); 991 ark_pktgen_setup(ark->pg); 992 ark->start_pg = 1; 993 } 994 995 /* Setup the packet checker */ 996 if (ark->pkt_chkr_args[0]) { 997 ark_pktchkr_parse(ark->pkt_chkr_args); 998 ark_pktchkr_setup(ark->pc); 999 } 1000 1001 ret = 0; 1002 1003 free_kvlist: 1004 rte_kvargs_free(kvlist); 1005 1006 return ret; 1007 } 1008 1009 RTE_PMD_REGISTER_PCI(net_ark, rte_ark_pmd); 1010 RTE_PMD_REGISTER_KMOD_DEP(net_ark, "* igb_uio | uio_pci_generic "); 1011 RTE_PMD_REGISTER_PCI_TABLE(net_ark, pci_id_ark_map); 1012 RTE_PMD_REGISTER_PARAM_STRING(net_ark, 1013 ARK_PKTGEN_ARG "=<filename> " 1014 ARK_PKTCHKR_ARG "=<filename> " 1015 ARK_PKTDIR_ARG "=<bitmap>"); 1016 RTE_LOG_REGISTER(ark_logtype, pmd.net.ark, NOTICE); 1017