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 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_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 .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 /* Let rte_eth_dev_close() release the port resources */ 264 dev->data->dev_flags |= RTE_ETH_DEV_CLOSE_REMOVE; 265 266 ark->bar0 = (uint8_t *)pci_dev->mem_resource[0].addr; 267 ark->a_bar = (uint8_t *)pci_dev->mem_resource[2].addr; 268 269 ark->sysctrl.v = (void *)&ark->bar0[ARK_SYSCTRL_BASE]; 270 ark->mpurx.v = (void *)&ark->bar0[ARK_MPU_RX_BASE]; 271 ark->udm.v = (void *)&ark->bar0[ARK_UDM_BASE]; 272 ark->mputx.v = (void *)&ark->bar0[ARK_MPU_TX_BASE]; 273 ark->ddm.v = (void *)&ark->bar0[ARK_DDM_BASE]; 274 ark->cmac.v = (void *)&ark->bar0[ARK_CMAC_BASE]; 275 ark->external.v = (void *)&ark->bar0[ARK_EXTERNAL_BASE]; 276 ark->pktdir.v = (void *)&ark->bar0[ARK_PKTDIR_BASE]; 277 ark->pktgen.v = (void *)&ark->bar0[ARK_PKTGEN_BASE]; 278 ark->pktchkr.v = (void *)&ark->bar0[ARK_PKTCHKR_BASE]; 279 280 ark->rqpacing = 281 (struct ark_rqpace_t *)(ark->bar0 + ARK_RCPACING_BASE); 282 ark->started = 0; 283 284 ARK_PMD_LOG(INFO, "Sys Ctrl Const = 0x%x HW Commit_ID: %08x\n", 285 ark->sysctrl.t32[4], 286 rte_be_to_cpu_32(ark->sysctrl.t32[0x20 / 4])); 287 ARK_PMD_LOG(NOTICE, "Arkville HW Commit_ID: %08x\n", 288 rte_be_to_cpu_32(ark->sysctrl.t32[0x20 / 4])); 289 290 /* If HW sanity test fails, return an error */ 291 if (ark->sysctrl.t32[4] != 0xcafef00d) { 292 ARK_PMD_LOG(ERR, 293 "HW Sanity test has failed, expected constant" 294 " 0x%x, read 0x%x (%s)\n", 295 0xcafef00d, 296 ark->sysctrl.t32[4], __func__); 297 return -1; 298 } 299 if (ark->sysctrl.t32[3] != 0) { 300 if (ark_rqp_lasped(ark->rqpacing)) { 301 ARK_PMD_LOG(ERR, "Arkville Evaluation System - " 302 "Timer has Expired\n"); 303 return -1; 304 } 305 ARK_PMD_LOG(WARNING, "Arkville Evaluation System - " 306 "Timer is Running\n"); 307 } 308 309 ARK_PMD_LOG(DEBUG, 310 "HW Sanity test has PASSED, expected constant" 311 " 0x%x, read 0x%x (%s)\n", 312 0xcafef00d, ark->sysctrl.t32[4], __func__); 313 314 /* We are a single function multi-port device. */ 315 ret = ark_config_device(dev); 316 if (ret) 317 return -1; 318 319 dev->dev_ops = &ark_eth_dev_ops; 320 dev->rx_queue_count = eth_ark_dev_rx_queue_count; 321 322 dev->data->mac_addrs = rte_zmalloc("ark", RTE_ETHER_ADDR_LEN, 0); 323 if (!dev->data->mac_addrs) { 324 ARK_PMD_LOG(ERR, 325 "Failed to allocated memory for storing mac address" 326 ); 327 } 328 329 if (ark->user_ext.dev_init) { 330 ark->user_data[dev->data->port_id] = 331 ark->user_ext.dev_init(dev, ark->a_bar, 0); 332 if (!ark->user_data[dev->data->port_id]) { 333 ARK_PMD_LOG(WARNING, 334 "Failed to initialize PMD extension!" 335 " continuing without it\n"); 336 memset(&ark->user_ext, 0, sizeof(struct ark_user_ext)); 337 dlclose(ark->d_handle); 338 } 339 } 340 341 if (pci_dev->device.devargs) 342 ret = eth_ark_check_args(ark, pci_dev->device.devargs->args); 343 else 344 ARK_PMD_LOG(INFO, "No Device args found\n"); 345 346 if (ret) 347 goto error; 348 /* 349 * We will create additional devices based on the number of requested 350 * ports 351 */ 352 if (ark->user_ext.dev_get_port_count) 353 port_count = 354 ark->user_ext.dev_get_port_count(dev, 355 ark->user_data[dev->data->port_id]); 356 ark->num_ports = port_count; 357 358 for (p = 0; p < port_count; p++) { 359 struct rte_eth_dev *eth_dev; 360 char name[RTE_ETH_NAME_MAX_LEN]; 361 362 snprintf(name, sizeof(name), "arketh%d", 363 dev->data->port_id + p); 364 365 if (p == 0) { 366 /* First port is already allocated by DPDK */ 367 eth_dev = ark->eth_dev; 368 rte_eth_dev_probing_finish(eth_dev); 369 continue; 370 } 371 372 /* reserve an ethdev entry */ 373 eth_dev = rte_eth_dev_allocate(name); 374 if (!eth_dev) { 375 ARK_PMD_LOG(ERR, 376 "Could not allocate eth_dev for port %d\n", 377 p); 378 goto error; 379 } 380 381 eth_dev->device = &pci_dev->device; 382 eth_dev->data->dev_private = ark; 383 eth_dev->dev_ops = ark->eth_dev->dev_ops; 384 eth_dev->tx_pkt_burst = ark->eth_dev->tx_pkt_burst; 385 eth_dev->rx_pkt_burst = ark->eth_dev->rx_pkt_burst; 386 387 rte_eth_copy_pci_info(eth_dev, pci_dev); 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 dev->dev_ops = NULL; 510 dev->rx_pkt_burst = NULL; 511 dev->tx_pkt_burst = NULL; 512 return 0; 513 } 514 515 static int 516 eth_ark_dev_configure(struct rte_eth_dev *dev) 517 { 518 struct ark_adapter *ark = dev->data->dev_private; 519 520 eth_ark_dev_set_link_up(dev); 521 if (ark->user_ext.dev_configure) 522 return ark->user_ext.dev_configure(dev, 523 ark->user_data[dev->data->port_id]); 524 return 0; 525 } 526 527 static void * 528 delay_pg_start(void *arg) 529 { 530 struct ark_adapter *ark = (struct ark_adapter *)arg; 531 532 /* This function is used exclusively for regression testing, We 533 * perform a blind sleep here to ensure that the external test 534 * application has time to setup the test before we generate packets 535 */ 536 usleep(100000); 537 ark_pktgen_run(ark->pg); 538 return NULL; 539 } 540 541 static int 542 eth_ark_dev_start(struct rte_eth_dev *dev) 543 { 544 struct ark_adapter *ark = dev->data->dev_private; 545 int i; 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 ARK_PMD_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 if (ark->started == 0) 598 return; 599 ark->started = 0; 600 601 /* Stop the extension first */ 602 if (ark->user_ext.dev_stop) 603 ark->user_ext.dev_stop(dev, 604 ark->user_data[dev->data->port_id]); 605 606 /* Stop the packet generator */ 607 if (ark->start_pg) 608 ark_pktgen_pause(ark->pg); 609 610 dev->rx_pkt_burst = ð_ark_recv_pkts_noop; 611 dev->tx_pkt_burst = ð_ark_xmit_pkts_noop; 612 613 /* STOP TX Side */ 614 for (i = 0; i < dev->data->nb_tx_queues; i++) { 615 status = eth_ark_tx_queue_stop(dev, i); 616 if (status != 0) { 617 uint16_t port = dev->data->port_id; 618 ARK_PMD_LOG(ERR, 619 "tx_queue stop anomaly" 620 " port %u, queue %u\n", 621 port, i); 622 } 623 } 624 625 /* Stop DDM */ 626 /* Wait up to 0.1 second. each stop is up to 1000 * 10 useconds */ 627 for (i = 0; i < 10; i++) { 628 status = ark_ddm_stop(ark->ddm.v, 1); 629 if (status == 0) 630 break; 631 } 632 if (status || i != 0) { 633 ARK_PMD_LOG(ERR, "DDM stop anomaly. status:" 634 " %d iter: %u. (%s)\n", 635 status, 636 i, 637 __func__); 638 ark_ddm_dump(ark->ddm.v, "Stop anomaly"); 639 640 mpu = ark->mputx.v; 641 for (i = 0; i < ark->tx_queues; i++) { 642 ark_mpu_dump(mpu, "DDM failure dump", i); 643 mpu = RTE_PTR_ADD(mpu, ARK_MPU_QOFFSET); 644 } 645 } 646 647 /* STOP RX Side */ 648 /* Stop UDM multiple tries attempted */ 649 for (i = 0; i < 10; i++) { 650 status = ark_udm_stop(ark->udm.v, 1); 651 if (status == 0) 652 break; 653 } 654 if (status || i != 0) { 655 ARK_PMD_LOG(ERR, "UDM stop anomaly. status %d iter: %u. (%s)\n", 656 status, i, __func__); 657 ark_udm_dump(ark->udm.v, "Stop anomaly"); 658 659 mpu = ark->mpurx.v; 660 for (i = 0; i < ark->rx_queues; i++) { 661 ark_mpu_dump(mpu, "UDM Stop anomaly", i); 662 mpu = RTE_PTR_ADD(mpu, ARK_MPU_QOFFSET); 663 } 664 } 665 666 ark_udm_dump_stats(ark->udm.v, "Post stop"); 667 ark_udm_dump_perf(ark->udm.v, "Post stop"); 668 669 for (i = 0; i < dev->data->nb_rx_queues; i++) 670 eth_ark_rx_dump_queue(dev, i, __func__); 671 672 /* Stop the packet checker if it is running */ 673 if (ark->start_pg) { 674 ark_pktchkr_dump_stats(ark->pc); 675 ark_pktchkr_stop(ark->pc); 676 } 677 } 678 679 static void 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 (ark->user_ext.dev_close) 686 ark->user_ext.dev_close(dev, 687 ark->user_data[dev->data->port_id]); 688 689 eth_ark_dev_stop(dev); 690 eth_ark_udm_force_close(dev); 691 692 /* 693 * TODO This should only be called once for the device during shutdown 694 */ 695 ark_rqp_dump(ark->rqpacing); 696 697 for (i = 0; i < dev->data->nb_tx_queues; i++) { 698 eth_ark_tx_queue_release(dev->data->tx_queues[i]); 699 dev->data->tx_queues[i] = 0; 700 } 701 702 for (i = 0; i < dev->data->nb_rx_queues; i++) { 703 eth_ark_dev_rx_queue_release(dev->data->rx_queues[i]); 704 dev->data->rx_queues[i] = 0; 705 } 706 707 rte_free(dev->data->mac_addrs); 708 dev->data->mac_addrs = 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